piggybacking
n.
借道（法）;
v.
背着，肩驮( piggyback的现在分词 );
例句:
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I was just piggybacking on Stokes's idea.
我只是借用了斯托克斯的想法。
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They are piggybacking onto developed technology.
他们在搭先进技术的顺风车。
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You can see fields of coffee, with farmers wading through them, piggybacking their baskets.
来自NEWYORKER