If you think about it like a rubber band, maybe the more we can stretch the rubber band the better; but if you stretch too far and the rubber band snaps, that's not good, that's bad.

你可以想象一个橡皮筋,也许把它伸展得越长越好,但是你把它伸展得过长,以至绷断,那就不好,那很糟糕

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A car is just some metal, plastic, rubber.

汽车就是铁，塑胶，还有橡胶组成的。

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