种树最好的时间是25年前,第二好的时间是现在。
The best time to plant a tree was 25 years ago. The second best time is today.
The transition to renewable energy depends on efficient and scalable storage systems.
逻辑学的研究是对正确推理原则的研究。
Writing is not about communicating, it's about thinking.
The most important thing is to enjoy your life—to be happy—it's all that matters.