理论计算机科学不仅仅是解决问题；它是关于理解计算本身的本质。

永恒存在于无穷。

And let's be clear: It's not enough just to limit ads for foods that aren't healthy. It's also going to be critical to increase marketing for foods that are healthy.

动作发展应该是心理高层次的表现或反映，这是修理合乎自然发展逻辑的。