Osy
abbr. optimum sustainable yield 最适宜可持续产量
🗣️ 情景例句
This method should be widely promoted.
这种方法应该推广。
Big deal!
有什么了不起？
Everybody admires him for his great sense of humour --
人人都钦佩他那绝妙的幽默感 -- 人人，