Retracing my steps was certainly not an option.回顾我的脚步并不是个办法.When in doubt, I find retracing my steps to be a wise place to begin.如果有问题, 我发现可以根据我的脚迹折回来.The spread touched a high of 2.53 percentage points earlier in the se...
不过经验告诉我们,退格键不会那样.Experience tells us that Backspace does nothing of the sort.这个计算器具有退格功能, 就是输错了可以向前删除.The calculator has a backspace function, that is, a mismatched forward delete.按退格键可删除插入点之前的字符.And pressing the Backspa...