He earns around 25% less than he did in engineering. And, at 49,

He earns around 25% less than he did in engineering. And, at 49, he says he has never been happier.
【正确答案】：他的收入比做工程师工作的时候少了大约百分之二十五。然而，现年49岁的他说自己比任何时候都快乐。