The vine's chief advantage is its extremely vigorous and productive nature.

在葡萄的主要优点是它非常积极和富有成效的性质。

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As one of the most vigorous exercises out there, running is an extremely efficient way to burn calories and drop pounds.

作为最剧烈的锻炼之一，跑步是一种极其高效的减肥方法。

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Washing does not involve a superficial flick of the flannel, but a vigorous all-over scrub, often with an extremely rough nylon towel.

ECONOMIST: The Japanese are a super-clean lot. Obsessively so?