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Smooth, moderate operation can yield up to 10% savings in fuel.
舒缓，柔和的操作能够省油达10%。
youdao
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It's polite to yield up your seat on the bus to an old lady.
在公共汽车上给老妇人让座是礼貌的。
youdao
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It's polite to yield up your seat on the bus to an old lady.
在公共汽车上给老妇人让座是礼貌的。
youdao