It provides the same benefits as the treadmill but it's a much smoother work-out.
它与跑步机的功效是一样的,不过却是一种更加舒缓的锻炼方式。
But he did change the oil in his bike to synthetic. It runs much smoother now.
但是,他真的把摩托车的机油换成了合成的,现在开起来顺畅多了。
But by staying positive and working with (rather than against) the "stuff", the process goes a lot smoother - and the end result is much better.
但是如果能够积极地和这些“充填物”合作(而不是和它们对着干),进展就会顺利多了——结果也会好得多。
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