If it doesn't fit, you can always take it back.

要是它不合适，你总还可以把它退回去嘛。

《牛津词典》

If all else fails, you can always sell your motorbike.

如果所有别的办法都不行，你总还可以卖掉摩托车。

《牛津词典》

You can always use opaque glass if you need to block a street view.

如果你需要挡住外面的街景，你随时可以使用不透明玻璃。

《柯林斯英汉双解大词典》

In terms of where different atoms are in a molecule, if you have a hydrogen atom or a fluorine atom, you can pretty much guarantee they're always going to be terminal atoms.

对于不同原子在分子中的位置，如果你有一个氢原子或者一个氟原子，那你基本可以保证,它们总是最末端的原子。

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And if you're not sure what to do, you can always go to club fairs,

如果你不确定该做什么，你可以一直去俱乐部的集会，

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So if you have more conceptual oriented questions, you can absolutely bring them to office hours, but just realize there's always a crunch time wise, especially on Wednesday's and Thursday's.

如果有很多概念方面的问题，你完全可以把它们带到办公时间来，但是请认识到，总是有零零碎碎的时间的，特别是在周三和周四。

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If you can, you always want to be at a high-growth organization that is pushing the envelope rather than resting on their laurels of a large, installed customer base.

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If you miss the boat you can always hire someone to row.

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If you want more flexibility, you can always buy a more general purpose PC.

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