Sometimes this is for good reason, because we understand the greater social cost of profligacy, but often it's just because our mammalian brains are programmed that way.

有时候理由是很正当的，因为我们想到了更大范围的社会上的浪费，但更多的时候，仅仅是因为我们脑中那根哺乳动物的弦。

youdao

It is those Africans who are stepping up - often at great personal sacrifice and even risk, to bring peace, good governance and sound policies to their countries that are the reason for hope.

是这些非洲人在加大步伐-常常冒着巨大的个人牺牲甚至风险，为他们的国家带来和平、良政和正确的政策，成为希望的理由。

youdao

For this reason, many systems use colors in directory listings, often pale blue for a good link and red for a broken one.

为此，许多系统使用目录清单中的颜色，通常浅蓝色表示好链接，红色表示坏链接。

youdao

Another is that stocks this cheap are often cheap for a good reason.

FORBES: Penny Stocks That Pay Off

Of course, Microsoft often moves slowly for a very good reason: It doesn't want to cannibalize its cash cows.

FORBES: A Messy Marriage

The difficulty here is that drugmakers have often ignored manufacturing efficiency for a good reason: A slight change in the production process can occasionally result in a dangerous change in a medicine.

FORBES: Should Merck Raise Its Dividend?