He may cheat in checkers, but it beats staring at his face all day long.
他可能在下象棋时做手脚,但是只要一整天盯着他的脸看便会获胜了。
if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.
如果噪音对精神健康有影响的话,那也一定是微乎其微,以致现代的精神病诊断方法还发现不了。