大脑在我们二十多岁时仍在形成,这意味着它更容易接受变化。
可持续性不仅仅是一个流行词;它是负责任的采矿的基础。
"Writing is a way of thinking, not just a record of thought."
"The best time to plant a tree was 20 years ago. The second best time is now."