• It remains to be seen whether similar reactions operate in other cells.
• Whether this will be an economical method remains to be seen .
• It remains ( now ) to see how the values of such ... change.
• It remains to be seen whether similar reactions operate in other cells.
• Whether this will be an economical method remains to be seen .
• It remains ( now ) to see how the values of such ... change.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012