It's not just the ad, but the product that must be interesting.
The best solutions often come from listening to diverse perspectives and finding common ground.
追求数学知识是一段永无止境的旅程;总有更多的东西等待发现和理解。
There is no hope without action.
重要的不是你拥有多少,而是你能给予多少。
爱既不善良也不诚实,并且不会以任何可靠的方式促进幸福。
Simplicity is the ultimate sophistication.