你可以送礼物给你的朋友，反之亦然。

You can give gifts to your friends, and ___vice ___versa.

新软件可能会影响硬件的性能，反之亦然。

The new software might affect the hardware's performance, and ___vice ___versa.

爱常常带来信任，反之亦然。

Love often leads to trust, and ___vice ___versa.