解析:大富大贵,是我们人人都向往的,但如果是通过不正当手段而得到的,我们宁可不要。
Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.
相位裕度是系统在变得不稳定之前可以容忍的程度的度量。