So you're trying to create this little rebound effect with the feet.

所以你要试着用脚制造这种反弹的效果。

The possibility of the rebound effect doesn't mean we shouldn't invest in energy saving technologies.

反弹效应的可能性并不意味着我们不应该投资节能技术。

But the rebound effect says that the benefits of energy efficiency might be reduced as people change their behavior.

但反弹效应表明，随着人们行为的改变，能源效率的好处可能会减少。