许多专家认为，虚拟现实绝不仅是游戏领域一时流行的风尚。

Many experts believe that VR will be more than a gaming fad.

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有一种明确的趋势，朝向更能持续的饮食方式，而非一时流行的饮食。

There is a definite trend towards a more sustainable way of eating rather than fad diets.

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各有各的规律：历久不磨的钻石不能有一点儿瑕疵，一时流行的出品不妨单薄，古怪，华而不实。

Each of the rules: do not wear a diamond can not have a little flaw, a popular product can thin, eccentric, flashy without substance.

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