Karez
坎兒井, (巴基斯坦的)灌溉暗渠
??? 情景例句
You have been working on this for some time, Richard.
你從事這工作已有一段時間了， Richard。
He that gains time gains all things.
獲得時間就是獲得一切。
Let's not waste our time.
咱們別浪費時間了。