英语语法分析

After all preparations were made, they setoff secretly.

一切准备工作就绪后，他们就秘密进发了。

The Written Notice will specify the basis for the setoff.

书面通知要把账目抵消依据列入清单。

Losses of the PBC shall be setoff by allocations of the central finance.

中国人民银行的亏损由中央财政拨款弥补。