在清单9中，格式化地址的代码被移到接口、实现类和工厂中—养成“使用接口”的习惯。

In Listing 9, the code that formatted the address is moved to interfaces, implementation classes, and a factory - building the "use interfaces" habit.

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如果食品中有至少一类的营养成分含量超标，比如糖或者黄油，那么这个食物就被自动评为零颗星。

Moderate to miniscule amount. Foods that are off the charts in at least one category-say, candy or butter-automatically get zero stars.

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吴教授说，人体新陈代谢正常运转需要蛋白质、糖分、脂肪三类营养成分，还需要维生素、矿物质等。

Professor wu says, the body's metabolism normal operation need protein, sugar, fat three nutrients, still need vitamins, minerals, etc.

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