凡授书不在徒多,但贵精熟。
解析:学习不在数量,而在精通。
Singing is my way of expressing gratitude for the gift of music.
假如我的医生告诉我,我只剩6分钟可活,我不会忧伤,我会把字打的快一点。
元素可以分为具有相似性质的组。
Innovation requires a culture that tolerates failure—fast iteration leads to fast growth.