The analysis of oil smoke from dietary industry must use the cooking standard oil. The use of mineral standard oil will bring analytic error.
饮食业油烟样品分析必须使用食用标准油，使用矿物标准油将产生较大分析误差。
Oil or mineral wealth mostly reduces the population's standard of living because it diverts effort and talent from wealth creation to rent-seeking.
石油或矿业财富大多使人民的生活水准下降，因为它们把人们的才能和努力从创造财富转移到了寻租上。
They're in search of mineral wealth and oil and energy in order to raise the standard of living of one-fifth of humanity.
他们之所以四处寻找矿藏、石油和能源，是为了提高全球五分之一人口的生活水平。
They're in search of mineral wealth and oil and energy in order to raise the standard of living of one-fifth of humanity.
他们之所以四处寻找矿藏、石油和能源，是为了提高全球五分之一人口的生活水平。
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