The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.
如果你不拥抱新事物,你就无法生存。
如果让鼻子挡住了,该怎么做俯卧撑呢?
采矿效率来自于持续改进,而不仅仅是重大突破。