Switzerland has a policy of not prosecuting those who assist suicide as long as they can show they did not act selfishly.

瑞士则有一项政策，不允许起诉那些无个人私心帮助病人死去的医生。

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Those who always act selfishly without consideration for others should be condemned by all.

那些经常行为自私而不考虑他人的人应该受到大家的谴责。

youdao

Those who disagree and want to act selfishly can leave.

那些不同意的和变现出自私的人可以离开了。

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Did Obama intend to imply that powerful nations will no longer act selfishly or aggressively?

CENTERFORSECURITYPOLICY: How the Russian 'Reset' Explains Obama's Foreign Policy

The couple are a talented Everyman and Everywoman seen with affection and sympathy, but the movie suggests that relationships work only when you help the other person to act selfishly.

NEWYORKER: Going the Distance

Combining those findings with the other results of the survey, the researchers concluded that if their subjects were better informed, their incentives to act more selfishly would increase, and the pattern of immunisation would look even more like a Nash strategy.

ECONOMIST: Flu vaccination