一个没有书的房间就像一具没有灵魂的躯体。
光的理论实际上是弹性介质振动的理论。
The man who lets a leader prescribe his course is a wreck being towed to the scrap heap.
Love truth, but pardon error.
Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.
The best picture books are those that respect the child’s intelligence and imagination.
成为质量的标杆,有些人并不习惯追求卓越的环境。