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What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.

在石材行業，每一塊石頭都有一個故事——我們的責任是以負責和深思熟慮的方式開采它。