每一种化学结合完全且仅仅依赖于两种对立的力量,即正电和负电。
The secret of a good old age is simply an honorable pact with solitude.
如果你想成功,你必须准备好受苦。
Don’t fear failure—fear being in the same place next year as you are today.
技术将是减少我们碳足迹的重要推动者。