So here is my golden rule for shopping: Cost Per Use.

接下来我将献上我的黄金购物指南：性价比法。

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As a rule, the higher cost of goods sold, the lower the profit.

作为一项规则，费用较高的货物销售，较低的利润。

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Property tax rule pushing up cost of renting.

征收物业税的城市房租租费上涨。

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Property tax rule pushing up cost of renting.

征收物业税的城市房租租费上涨。

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