A container can either support strings as its keys, like the root object itself, or can use integers as an alternate key system instead.

容器可以支持将字符串作为其键值，就像根对象本身一样，或者可以使用整数作为备选键值系统。

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Anyone wishing to attempt either chronic or alternate-day calorie restriction needs to remember that consuming nutrient-dense foods is key.

凡是希望尝试长期或间隔实行热量限制的人需要记住，消耗高营养食物是关键。

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For example testing alternate designs for key pages to see which performs better.

例如通过测试几个可选的关键页面设计，可以很明确的看到哪个设计表现更好。

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Last week, I penned a long op-ed offering an alternate plan that first establishes key solo franchises to help generate far more buzz and anticipation for a Justice League movie, as well as helping to give audience a far more thorough introduction to the characters and help make the superheroes more relatable to mainstream non-comics-reading viewers.

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Other key issues for the Illinois senator include a revamped energy policy focusing on increased efficiency and alternate technologies, and expanded health care coverage for all Americans.

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It will be of interest to readers that Wave C was exactly equal to Wave A. Once again, this fits in with the Elliott Wave theory that says alternate waves in a correction tend to be related by a Fibonacci ratio, and 100% is a key number.

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