Mechanics and tradesmen who come in person to the forest on no other errand, are sure to attend the wood auction, and even pay a high price for the privilege of gleaning after the woodchopper.
不是
了别的事情亲自到

来的机械师或商
,一定是
了
木拍卖才来的;甚至有

很高的价钱来取得在砍伐者走了以后拣拾木头的权利。

,这样它的控制算法才能确定最安全的路线。
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