Electives
(elective 的复数) a. 选举的, 根据选举的, 选修的\\nn. 选修课程
🗣️ 情景例句
Good-bye.
再见。
His courage is a lesson to us.
他很有勇气，是我们大家的榜样。
there is always something to do in connection with it, from finding the right place for the latest addition, to verifying facts in reference books.
从为新增添的收藏品寻找摆放位置到核对参考书中的事实，总归有事可做。