地球并非刚体,其对力的响应必须用适用于可变形介质的方法来处理。
Every line we draw carries responsibility.
心灵进化是为了应对存在的挑战。
有时候最难的事情和正确的事情是同一件事。
The passion for office among members of Congress is very great, if not absolutely disreputable.