毕竟，时间和收集信息的费用或者做更细致的研究都是机会成本，而其将超过经过有研究、分析而获得的预期的收益。
After all, the time and expense required to collect further information or to conduct detailed studies of opportunity costs may outweigh the anticipated benefits of prolonged search and analysis.
经过科学设计，冷柜总高度不超过2米。
Under the scientific design, the height of congealer is not more than 2 meter.
那些曾经给过他超过100古德（2.5美元）小费的司机们再也不会从这经过了。
Many of the drivers who used to give him larger tips of around 100 gourde ($2.50) no longer drive past.
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