The only real actions taken by a Customer object are checking the simulated time at a couple of points, and logging some durations to the waittime and checkouttime monitors.

Customer 对象所采取的实际 操作仅仅是检查几个点上的模拟时间，并将持续时间记录到 waittime 和 checkouttime 监控程序中。

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Enable or disable real-time spell checking

激活或者禁止实时拼写检查

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Because you're configuring real-world objects, you get some compile time error checking.

因为您配置现实世界的对象时，会得到一些编译时错误检查。

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So while the presence of smartphones probably distracted us from real-time interactions on occasion (like when we were checking emails), overall they enhanced and enriched our experience.

FORBES: What I Learned From Swimming With My SmartPhone

For free, it is worth checking out for a look at how mobile games can create serious, graphically involving real-time worlds.

FORBES: Connect