Supply and demand
[经] 供应与需求
🧩 词语组成解析
supply
[sə'plaɪ]
vt. 供给;补充;弥补（缺陷、损失等）;向…提供（物资等）;
n. 供给物;储备物质;粮食;
vi. 暂代他人职务;
sup在下面+ply重叠，折叠→重叠下去→供应[下去],补给
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
demand
[di'mɑ:nd]
vt. 要求，请求;需要;[法]召唤;询问，盘问;
n. 需求;需要;要求，请求;销路;
vi. 需要;请求;查问;
🗣️ 情景例句
How soon will my mail be received by the other end?
我的信件多快能被对方收到？
If I had known that, I could have helped you.
假如我早知道，我就能帮你了。
That wasn't very clever! And you'd better take the shopping basket with you, too! said Mother.
“那是不够明智的！你最好顺便把购物篮子也带去！”妈妈说。