I'd start looking for alternatives now, just in case.

我就会开始寻找替代的课程，以防万一。

youdao

When you come up with an answer, stop wasting your time looking for alternatives.

当你想出一个答案时，别浪费时间寻找其它选项了。

youdao

When you come up with an answer, stop wasting your time looking for alternatives.

当你想出一个答案时，别浪费时间寻找其它选项了。

youdao