A visit to the boy suggested itself as a means of gleaning new particulars; though it might be quite unproductive.

去找找那男孩让人觉得不失为一个获得新线径；尽管这完全有可能是徒劳。

So will it be on the earth and among the nations, as when an olive tree is beaten, or as when gleanings are left after the grape harvest.

在地上万民中，必像打橄榄树，又像已摘葡萄所剩无几。

Before it can navigate this onslaught of obstacles, the car has to detect them— gleaning enough information about their size, shape, and position, so that its control algorithms can plot the safest course.

汽车在穿这一连串障碍物，必须侦测到障碍物—搜集到有关们大小、形状和位置一系列足够信息，这样控制算法才能确定最安全路线。