掌握阶段 taking hold
段掌
Segmental palm
以上为机器翻译结果，长、整句建议使用 人工翻译 。
也许你现在对全局变量的值还了如指掌，但是一段时间以后，你就会被他们搞得晕头转向。
You might know about every global during development, but after a year or so you'll probably have forgotten at least half of them, and then you'll be kicking yourself for using so many globals.
youdao
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