The structure of DNA was a puzzle that demanded to be solved.
The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.
"In the world of computer science, the only constant is change."
The market is always right, and I am always wrong.
Learning involves the gradual adjustment of connection strengths between units in a network.
环保责任对我们的行业来说不再是可选项;它是生存的基本要求。