Drinking water is not only better for you, for some who eat lunch out every day, this simple substitution will save them over $30 a month.

喝水不仅对你，对那些每天在外面吃中饭的人更好，这简单的替代将为你每月节省30美元。

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In the situation of fluctuation in international oil price, the countermeasures for solving the problem is to carry out a campaign of oil saving and substitution for the safety of oil supply in China.

面对波动的国际石油价格，为确保我国石油供应的安全，采取的对策是开展节油代油运动。

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For example, for 30 years now the South American nation of Chile has demonstrated the enormous benefits to working people of empowering them with the freedom to choose personal savings, investment and insurance accounts in substitution for old fashioned social insurance programs hailing intellectually out of the late 19th century.

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