拥有朋友的唯一方式是成为朋友。
The only way to have a friend is to be one.
The true value of a forest cannot be measured in board feet alone.
在科学中最令人兴奋的短语,预示着新发现的,不是“我发现了!”而是“这很有趣……”
爱不是原因,而是结果。