英汉互翻

“我们要做的最重要的事是保护环境”
Protecting the environment is the foremost thing that we should do.

（参考意见：个人认为若要强调“保护环境”则放在句首，感觉合适。）

The most important thing that we have to do is (to) protect the environment.

The most important thing for us to do is to portect our environment.

The most improtant thing we should do is to protect the environment.