maintain_to_maintain_有道手机词典

1.Depending on the necessity, one can choose to maintain this or not maintain it.
取决于必要性，一个人可以选择维护这个或不维护。
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2.Take regular physical activity: At least 30 minutes of regular physical activity every day helps to maintain cardiovascular fitness; at least 60 minutes on most days helps to maintain healthy weight.
经常锻练身体：每天至少30分钟经常锻练身体有助于保持心血管健康；在大多数日子至少60分钟有助于保持健康体重。
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3.With a collection of ways to maintain simple state on the client, and a collection of ways to maintain detailed and complicated state on the server, what is missing is a connection between them.
我们能够在客户机上维护简单的状态，也能够在服务器上维护详细的复杂状态，所缺少的是它们之间的连接。
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