1. They are terser, more to the point and less euphuistic. 它们更为简洁,更加切中要点,而更少止于华丽词藻。
2. This can be marginally more efficient than using a temporary variable and, by making the code terser, makes it either easier to read or more cryptic, depending on your point of view. 这样比使用临时变量效率更高,代码也变得更加简要,至于这样的代码是易读还是含混,就取决于您的观点了。