创新是在商业中保持领先的关键。

It's perhaps easier now than ever before to make a good living. It's perhaps harder than ever before to stay calm, to be free of career anxiety. I want to look now, if I may, at some of the reasons why we might be feeling anxiety about our careers. Why we might be victims of these career crises, as we're weeping softly into our pillows. One of the reasons why we might be suffering is that we are surrounded by snobs.

Every day is a new opportunity to change your life.

任何实验的价值和效用都取决于材料是否适合其使用的目的。