often without reason
常常无缘无故
以上为机器翻译结果，长、整句建议使用 人工翻译 。
And it goes without saying that so very often, for one reason or another, you do not end up doing half of the above things.
BBC: NEWS | Middle East | Alan Johnston on the art of journalism
Many employers remain prejudiced against older workers, and not always without reason: performance in manual jobs does drop off in middle age, and older people are often slower on the uptake and less comfortable with new technology.
ECONOMIST: Ageing in the rich world
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