This follows the theory that "nothing in life is free."

理论根据是“没有任何东西是免费的”。

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Economists will say that there is no free lunch. Others will say that nothing good in life comes easy.

经济学家会说天下没有白吃的午餐，别的人则会说好东西来之不易。

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The greatest hazard in life is to risk nothing. The person who risks nothing, does nothing and has nothing. Only a person who risks is free.

人生最大的危害是不冒任何险，不冒任何险的人什么事都不做且一无所有，唯有冒险的人才能拥有自由。

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And nothing is free in life especially in this country.

ECONOMIST: Russia��s unlikely communist