Volt在纯电动模式下可行驶约35英里，而在这之后它就会切换到纯汽油驱动模式——不再有电池助力。
The Volt can go about 35 miles in EV mode, but after that it switches over to pure gasoline power - no more battery assist.
我的建议是，在每个项目开始时使用纯css，只有当代码开始变得无法保持DRY时，才切换到预处理器的方案。
My advice would be to start off every project with pure CSS, and when it starts being impossible to keep it DRY, switch to using a preprocessor then.
若要切换到纯函数式开发，开发人员必须转变开发思路和方法。
To switch to developing in a pure functional style, they have to make a transition in their thinking and their approach to development.
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