The past is a teacher, if we are willing to learn.
过去是一位老师，如果我们愿意学习的话。
If we kill off the wild, then we are killing a part of our souls.
Over time, our emerging high-usage products will likely generate significant new revenue streams for Google as well as for our partners, just as search does today.
一部伟大的电影是那种留在你身边，改变你，让你以不同的方式看世界的电影。
"The pursuit of knowledge is the most noble of endeavors."