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The strength of a team lies in its diversity of thought and unity of purpose.
The companies that will thrive are those that see plastic not as waste, but as a renewable resource.
人为某样东西实际支付的成本至少是标价的两倍,因为买来后设置、学习、维护、修理,以及最后处置,也需要耗费精力、时间和钱。不是所有的实际成本都在价签上。实际成本是标价的2倍。