It works best if another swimmer watches and gives you feedback or if he or she tape-records you.

最好的方式，有另一位泳友看着你的动作并给你反馈，或者他把你话或者动作录下来。

So for the scenes in which Penn sits at the table and tape-records Milk's instructions in case of his death, set decorators made a table that included similar scars.

于是在那幕佩恩坐在桌旁录下缪克为了防止被害而留下嘱托的场景时，设置了一个装饰有相似刮痕的桌子。