操作该实现，并且通过更改业务逻辑来查看不同的结果。

Play around with the implementation and change the business logic to see different results.

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您可以按逻辑顺序来查看瓶颈。

You can look for bottlenecks in a logical order.

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主要的区别来自如何放置和实现业务逻辑或查看呈现逻辑。

The main differences come from how you place and implement business logic or view rendering logic.

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