Quite often we need to draw a person's attention to something that has just dropped out of pocket or handbag, or to the fact that he is just going to walk into a plate glass door.

我们时常会碰到这样一些问题，如当我们看到一个人的东西从口袋里手提袋里掉出来时，或当我们看到一个人将要撞上一扇平板玻璃门时，我们需要提醒这个人。

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You had merely to lead them to the plate-glass porch door and point out a squirrel or a cat running on the railing, or the automatic pool vacuum flipping its tail in the water as it carried on, side to side, end to end.

NEWYORKER: Soldier��s Joy