You can then write advice that updates performance statistics, which can be invoked automatically whenever you enter or exit one of the join points.

然后可以编写建议，更新性能统计，而在进入或退出任何一个连接点时，都会自动调用建议。

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Pearl looked as beautiful as the day, but was in one of those moods of perverse merriment which, whenever they occurred, seemed to remove her entirely out of the sphere of sympathy or human contact.

珠儿的模样如白昼一般美丽，但处于那种调皮任性的兴致之中，每当此刻，她便象完全脱离了人性的共鸣与交往的范围。

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A project can have more than one of these properties, which can be added whenever the site is moved.

一个项目可以有多个这种属性，当站点移动时可以添加。

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Asda have introduced a loud speaker system called Space Hog around its disabled car park paces which goes off whenever someone parks in one of these spots.

BBC: Van in a disabled space

Instead of owning one, own index futures, which trade at a discount whenever stock yields are higher than short-term interest rates.

FORBES: Side Lines

Whenever I deliver a short list for a top job to one of my clients, I feel obligated to mention which potential candidates have accepted buyback offers in the past.

FORBES: Magazine Article