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.
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。
Our attitude is the driving force in our lives—it can either push you to do great things or pull you down to your demise.
我们的态度是我们生活的驱动力，我们的态度可以推动我们去做伟大的事情抑或让自己碌碌无为沉寂一生。
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