In science, the most exciting phrase to hear is not 'Eureka!' but 'That's funny...'
It's not just the ad, but the product that must be interesting.
你的挣扎不能定义你,你如何克服它们才能定义你。
The only way to learn mathematics is to do mathematics.
我们要不断学习,才能跟上时代的步伐。