Cordle也警告说：“这些都将产生巨大的下拉力。”

Cordle, too, warned that "these are all huge pull-downs."

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不过她相信的一点是，如果撇开遗传因素和环境因素不谈，再剔除各种错误因子，那么所剩下的那一部分必然是个人的“主观行为”，即为了抵抗适应性的下拉力而必须采取的各种心理对策与行为对策。

But she believes that when you take away genes and circumstances, what is left besides error must be "intentional activity," mental and behavioral strategies to counteract adaptation's downward pull.

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往下拉这儿的话,会产生向上的拉力,中间有根弹簧,它能帮助你测出力的大小了。

And if you have a pull down here and you have a pull up here and you have in here a spring then you see you have a way of measuring that force.

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