智者的心靈是開(kāi)放的書(shū)籍。
I think children are the best critics because they're completely honest.
地球形狀的問(wèn)題本質(zhì)上是勢(shì)理論中的一個(gè)問(wèn)題。
The most advanced machinery means nothing without the wisdom to use it responsibly for long-term soil health.