可持续性不仅仅是一个流行词,更是我们的责任。
The only philosophy which can be responsibly practiced in face of despair is the attempt to contemplate all things as they would present themselves from the standpoint of redemption.
给定系统中的酸和碱不是绝对的,而是相互关联的。
The beauty of science lies in its ability to explain the natural world through observation and experimentation.