2012商務英語寫作指導：產品介紹二

    36.   This machine will pay back your investment in six months.

    該機器半年就可收回投資。

    37.   The new type of suitcase car designed by our engineers is very ingenious and practical.

    我方工程師設計的新款行李車非常精巧、實用。

    38.   This kind of bicycle can be folded in half and handy to carry around， especially useful during traveling and traffic jams.

    這種自行車可以折迭，攜帶方便，在旅行中或交通堵塞時特別有用。

    39.   The maximum speed of this kind of variable-speed bicycle is 30 km per hour.

    這種變速車每小時的最大速度是30km

    40.   These machines have few breakdowns and are easy to maintain because of their simple mechanical structure.

    這些機器由于機械的構造簡單，所以很少故障，易于保養。