2012商务英语写作指导：产品介绍二

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36.   This machine will pay back your investment in six months.
% O; Q5 u- D0 N2 @/ y4 N该机器半年就可收回投资。
37.   The new type of suitcase car designed by our engineers is very ingenious and practical.
) p. l0 A9 T$ a0 m, i( }我方工程师设计的新款行李车非常精巧、实用。
/ k1 v! a! C8 j$ `38.   This kind of bicycle can be folded in half and handy to carry around, especially useful during traveling and traffic jams.
这种自行车可以折迭，携带方便，在旅行中或交通堵塞时特别有用。
# Y5 K# }, M' x- p9 W/ G! V39.   The maximum speed of this kind of variable-speed bicycle is 30 km per hour.
这种变速车每小时的最大速度是30km
+ ?' N( }* M& g40.   These machines have few breakdowns and are easy to maintain because of their simple mechanical structure.
这些机器由于机械的构造简单，所以很少故障，易于保养。