One could attach an IObserver to mouse events and record them asynchronously into a collection.

我们可以把IObserver附加到鼠标事件并对这些事件异步记录到一个集合当中。

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That request goes off asynchronously to retrieve the page and return the result.

检索页面的请求异步发出并返回结果。

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That request goes off asynchronously to retrieve the page and return the result.

检索页面的请求异步发出并返回结果。

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