Key point
[经] 关键, 要点
🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
🗣️ 情景例句
because he didn't want the responsibility of holding them.
因为他不想承担保管它们的责任。
Keep thing seven years and you will find a use for it.
备而不用。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支贵？