Nature doesn’t care about your plans. It will test you, and you have to be ready.
大自然不在乎你的计划。它会考验你，你必须做好准备。
Safety isn't just a policy - it's a culture that must permeate every level of our organization.
柠檬问题发生的原因是卖家比买家更了解产品，从而导致市场失灵。
The human mind is so complex and things are so tangled up with each other that, to explain a blade of grass, one would have to make a diagram of the universe.