Sometimes it's remarkable for all of us if we try to be very prepared-mind-oriented, very proactive around where the most interesting opportunities.

有的时侯,如果我们能时刻做好准备，积极地去寻找那些很有吸引力的机会,那将会是一件很了不起的事。

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For most of us, gravity acts this way, defines a vertical direction very naturally and the blackboard is oriented this way, so very natural to call that x and call that y and line up our axes.

对我们多数人来说,重力作用下,很自然地确定了竖直方向,而我们的黑板又是这个指向的,所以很自然地定出 x 轴和 y 轴,并标出我们的坐标系

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