Again, I could have some other functions to compute things, but this is typically the place where I'm going to put them in.
注意这个声明典型的行为,就是为了定义了内部变量,以及类的内部特性,在说一次,我可以写一些。
to put in place policies that incentivizes people to use things such as energy efficiency
他们制定了一些政策,鼓励人们使用能效高的产品,
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