思考的过程不仅仅是把一件事加到另一件事上;它在于观察结构特征和结构要求的操作。
The key to growth is adaptability in an ever-changing market.
Without forgetting it is quite impossible to live at all.
生命的本质是统计上的不可能性,规模巨大。
The war on coal is a war on the American worker.