法律体系是根据其自身的有效性标准而有效的规则体系。
A legal system is a system of rules which are valid according to the system's own criteria of validity.
深度学习是一个强大的工具，但它不是万能的。
Decision-making is not always a rational process; often, it is swayed by unconscious biases and emotional undercurrents.
下次早点出门，你的孩子在为你求情呢。
"The past is a shadow that follows us, but it is the light ahead that guides our steps."
气候变化是我们行业面临的最大挑战，但也是最大机遇。