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remain to be seen

To not yet be clear, certain, or known. We can see for ourselves the disaster's immediate impact, but the long-term environmental effects remain to be seen. Of course, it remains to be seen whether the president's popularity on other issues will carry over into this more controversial endeavor.
See also: remain, seen

remain in touch

To maintain contact with another person, especially at intervals so as to stay up to date with each other's lives. My old high school friends and I tried remaining in touch after we graduated, but we all started drifting apart once college got underway. Now, make sure you remain in touch, OK? I want to hear all about your time in Paris!
See also: remain, touch

remain in touch

(with someone or something) Go to keep in touch (with someone or something).
See also: remain, touch

it remains to be seen

it is still unclear It remains to be seen whether the heating system is really fixed or will have to be replaced.
See also: remains, seen
References in periodicals archive ?
In 33 joint recovery operations beginning in 1996, the teams have recovered 229 sets of remains believed to be those of U.
The Joint POW/MIA Accounting Command team will fly the remains back to their headquarters in Hawaii for identification, if necessary using mitochondrial DNA obtained by tracking down maternal relatives, command spokeswoman Maj.
Soon thereafter, the birds' remains became infested with bugs and maggots.
The nationwide occupancy rate for the independent-living sector remains at 91 percent, but rises to 95.
Signed by the first President George Bush in 1990, NAGPRA requires federal agencies, and institutions that receive federal money, to inventory any bodily remains or important cultural artifacts of Indians, native Alaskans, or Hawaiian peoples in their collections--and to return those items, on request, to "culturally affiliated" tribes or descendants.
The resistance to real change in the mode of thinking or to the rational approach to life problems remains strong.
When it comes to celebrating a Catholic funeral involving cremated remains, the church asks that those involved uphold Christian beliefs about death, especially the resurrection of the body and reverence for the body of the deceased.
If S remains, the rule requires all the members to aggregate their S stock bases.
A number of governments took steps to combat trafficking in persons, although much remains to be done.
Therefore, it remains vital that the police can determine whether a person is wanted on any charge, no matter how serious the crime.
As magma rises through the Earth's crust, through cracks or volcanoes, it melts and destroys any remains of organisms before they can fossilize.
The pace of borrowing by households appears to have moderated somewhat from the elevated rates of 1994 and 1995, but it remains substantial.
Although the new inventories provide different figures for how much old-growth remains and how much more needs to be protected, the Forest Service and Wilderness Society have narrowed the debate, promoted better understanding of what constitutes ecological old-growth, and generated maps policymakers can use to better comprehend the situation.
Senior unsecured 'A+' remains on Rating Watch Negative;
In Lybia, negotiators from the Defense POW/Missing Personnel Office (DPMO) seek permission from the newly opened government of Muammar al-Qadhafi to search for the remains of a missing F-111 pilot who disappeared during a 1986 bombing raid on Tripoli and the crew from a lost World War II bomber named Lady Be Good.