英语语法分析

Prevenient grace, therefore, is a process.

前的宽限期，因此，是一个过程。

Analogy bear hardships prevenient, enjoy after.

比喻吃苦在先，享受在后。

And airborne contrary, buyer is pick up goods commonly prevenient, pay after.

而空运则相反，买方一般都是提货在先，付款在后。