汽车的马力不足，商店的组织混乱(比如收银台设计不合理)，商店里排长队，交通拥挤，这些都会对往返时间产生显著的影响。

An underpowered car, unorganized store with poor checkout design, long lines, or traffic will all have dramatic impact on the turnaround time for the hapless parent.

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劳埃德船级社同时坚信造船业需要灵活的设计来满足不同马力下的高效运营。

Lloyd's Register also believes that the industry needs flexible designs capable of operating most effectively across different power output bands.

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为更高马力设计的机器在减速中是效率递减的，特别是减速至20节以下。

There are diminishing returns in slow steaming with machinery designed to operate at higher outputs - particularly when reducing speeds to below 20 knots.

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