自律也是如此，所有人都从他们基础的地方开始前进。
So it is with self-discipline. Anyone can start from where they are and go from there.
母亲摔倒时蹭破了一个膝盖，另一条腿也扭伤了，走起来有点跛，为了照顾她的速度，他们开始慢慢的往海滩前进。
They began to jog up the beach, matching their speed to Mother, who was limping a little from having skinned one knee and twisted the other when she fell.
大多数工程师在他们开始制造产品之前进行严格的问题分析并且建造被提议的解决方案的模型。
Most engineers apply rigorous problem analysis and build models of proposed solutions before they commit to manufacturing them.
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