we should try our best to make the environment better.句型转换

We should try our best to make the environment better.
= We should (do) our best to (make) the environment better.
try one's best to do sth = do one's best to do sth
尽某人最大努力做某事
不知道第二个空,楼主需不需要变化,请补充说明.