Always use a plastic lid, not fully covered, to keep the water in the food.

为了保持食物中的水分，记得要用一个塑料盖子，但不要全部盖上。

youdao

Finally, be aware that it may not always be best to use a resource to represent such constants.

最后，要知道使用资源表示这类常量可能并不总是最好的办法。

youdao

Not only can you use tools and libraries to do this, but you almost always should.

您不但可以使用工具和库来实现这种功能，而且应该始终这样做。

youdao

And Transport for London are always telling people to not to use the minicab, illegal minicab drivers,

伦敦交通局经常警告市民，不要坐不合法的微型出租车，

小心微型出租车 - SpeakingMax英语口语达人

Because users would pay only for what data they send, FastBreak would be cheaper than leasing a line they might not always use to full capacity.

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Synapse 2.0 does not always have to be online to use the features.

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She says the pharmacy does not always have the medicines she needs, forcing her to use others that are not on the list of drugs for which the government offers reimbursement.

ECONOMIST: Health-care reform