最可持续的解决方案是那些既有利于企业又有利于地球的方案。
To teach mathematics is to inspire the next generation of thinkers and problem solvers.
我喜欢狗。你总能知道狗在想什么。它们只有四种情绪:快乐、悲伤、生气和专注。而且狗很忠诚,它们不会说谎,因为它们不会说话。
When you truly believe in yourself and your talent, you can achieve anything.