Efficiency and technology are the keys to surviving in a volatile oil market.
朗道学派不仅仅是一个物理学派,它是一个生活的学派。
世界上充满了微小的善意,只要你知道在哪里寻找。
The beauty of the world lies in the diversity of its people and cultures.
最好的报复就是巨大的成功。
I think that's one of the most important things in life: to feel good about yourself.