In business, it's every man for himself.

生意场上都是人各为己。

《牛津词典》

There is no room for sentiment in business.

在生意场上心肠不能软。

《牛津词典》

In business a poker face can be very useful.

在生意场上，不露声色会非常有用的。

《柯林斯英汉双解大词典》

During his thirty-six years in business, Red Adair and his crews battled more than two thousand fires all over the world.

VOA: special.2009.03.22

For example, they might-- paterfamilias would often put a slave up in business, give a slave enough money to run a business.

比如，他们可能。。。,家长通常会让奴隶参与生意，给他一笔钱做生意。

耶鲁公开课 - 新约课程节选

And then people have done everything in business.

然后人们商业化了每一个环节。

优秀的MBA人们 - SpeakingMax英语口语达人

Maybe it takes a certain amount of meanness to be successful, at least in business.

FORBES: Study: More Money Makes Managers Meaner

With the synth-heavy, up-tempo Permalight, Rogue Wave is back in business and powering ahead into sunnier days.

NPR: Rogue Wave: To Sunnier Days Ahead

Let's stay with the fashion business for a moment, because today's last word in business is Naughty Monkey.

NPR: Sales Soar For Shoes, Glasses Like Sarah Palin's