快来，我说了你可以回来的。

Come now, I told you you could come back.

youdao

来分享你的目标吧。你今天开始安装这个‘专注理论’并且书签这个理论吧(很美妙的链接)这样你可以回来更新转发你取得的每一个成就。

Please share your goals, The one goal you will start installing today, and bookmark this post (delicious link) so you can come back to update everyone on your progress!

youdao

几周后它还回来的时候你可以再检查下。

You can check it out again when it is returned in a couple of weeks.

youdao

If you don't make it to class, contact your TA, your recitation instructor, and you can take a makeup within a week of the time of original test.

如果你不能来上课，联系你们的助教，背诵课的老师，你可以在测试后那个礼拜内,找时间补回来。

麻省理工公开课 - 固态化学导论课程节选