Poverty forced her to surrender him to foster families, but only on the understanding that she could eventually regain custody.

贫困迫使她把他交给了寄养家庭, 但她是在明确她最终一定能重新获得抚养权的条件下才这样做的。

《柯林斯英汉双解大词典》

There is also the question as to whether Judge Rakoff could remand Gupta into custody (take him to jail) immediately, or will he allow him to surrender at a future date to some federal prison camp.

FORBES: Rajat Gupta's Game Day Jitters