Click the + icon in the top left to add a new classifier.

单击左上方的+图标以添加一个新分类器。

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A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away. - Antoine de Saint-Exupry.

设计师知道自己的作品何时达到完美： 不是当没有更多的部分可以增加时， 而是当没有更多的部分可以删减时。 - 安托瓦尼·德·圣艾修伯里（法国飞行家）

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You just add your name and phone number to this list and check a time slot, although it looks like the only times left are next Monday morning and Thursday evening.

你只需要把你的名字和电话号码添加到这个列表中，然后查看时间安排，尽管看起来剩下的时间好像只有下周一早上和周四晚上了。

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So we need to add those 2 valence electrons left as lone pair electrons in our structure.

因此我们需要将这两个剩下的价电子,作为孤对电子加到我们的结构中。

麻省理工公开课 - 化学原理课程节选

Casey Cizikas shoved in a shot with 1:16 left to add some much-needed insurance.

WSJ: Fleury struggles in Penguins' 6-4 loss to Isles

The night belonged to the Pumas, though, and Contepomi rounded things off with his second try of the night with three minutes left to add insult to injury for the French.

CNN: Superb Argentina stun France again

One of the attractive features of an HSA is that the balance need not be used for medical expenses each year, but can be left to accumulate and add to your retirement nest egg.

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