The thing that we are trying to do at Facebook, is just help people connect and communicate more efficiently.

Challenges are opportunities in disguise; embrace them with courage.

相同的事物即使与相同的主体结合，也不会产生相同的效果。

The discovery of neutrino oscillations was a turning point in our understanding of particle physics.

技术领先是石油化工企业的立身之本，要持续加大研发投入。