Defined benefit
固定福利
🧩 词语组成解析
a. 清晰的, 轮廓分明的；有定义的, 确定的
🗣️ 情景例句
If you fail this test you'll be kicked out of school.
你这次考试要是不过就得离校。
To walk together
走在一起
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远