英语语法分析

I enclose the bottom copy with my countersignature.

随函敬附已连署的合约副本。

We return one copy of the contract with our countersignature for your file.

我们退回一份我们已会签的合同供你方存档。

We now await your sending of the original contract signed4 by you for our countersignature.

现在我们在等你们签完原始合同后寄给我们回签。