最后，我要补充一点，那就是要聪明，你必须要相信自己。

Finally, let me add that in order to be smart, you must also believe in yourself.

youdao

最后，我要补充一点，那就是要聪明，你必须要相信自己。

Finally, let me add that in order to be smart, you must also believe in yourself.

youdao