🧩 词语组成解析
coffee
['kɔfi]
n. 咖啡豆;咖啡粉;（一杯）咖啡;非正式的社交集会;
substitute
['sʌbstɪtut]
vt.& vi. 代替，替换，代用;
n. 代替者;替补（运动员）;替代物;[语法学]代用词;
vi. 用…替代;
sub在下面，副手，次一等+stitute放置→在下面放着→替代人员；代替
🗣️ 情景例句
I do his taxes every year.
我每年为他处理税务。
We are not born for ourselves.
人生非为己。
Suddenly the door of the storeroom was opened and a man entered.
突然贮藏门开了，一个男人走了进来。