If you wait until all the lights are “green” before you leave home, you'll never get started on your trip to the top. (Zig Ziglar) 如果你等待所有的灯都变“绿”才出门，你要走向颠峰的旅程永远也不会开始。——你是选择等待事情发生或还是选择令事情发生呢？