We will cover best practices (what designs to use in which situations.)

我们将讨论各种最佳实践（哪些内容设计为在哪种情况下使用）。

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Not only must you learn the vocabulary, but you must learn which words to choose in which situations.

你不仅要学习词汇，而且要学会在什么情况下选择什么词汇。

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While studying theories, we should try to think in which situations we can put the theories into reality.

在学习理论时，我们应该思考在什么情况下，我们可以把该理论付诸实施。

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Extensive user testing, as is going on with the current version of Glass to determine preferred use cases, will be required to see how immersive is too immersive and in which situations.

FORBES: Google Glass V2 Could Be Binocular, And Even Double As Stealth Hearing Aids

My negotiating style was a highly risky one, which worked in certain situations and which wouldn't work in others.

FORBES: Terry Waite On Negotiation

Roth's specialty within operations research: game theory, which analyzes situations in which the outcome depends on the actions of multiple people.

FORBES: Magazine Article