Sources of supply
[经] 供应来源, 供货来源
🧩 词语组成解析
n. 输入源；发起者；来源（source的复数）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
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
🗣️ 情景例句
I see you're in a good mood.
我看你心情很好。
I ought to go right away.
我应该立刻去。
At least sorting out the things she should have discarded years ago was now being made easier for her.
这样一来，她倒是容易将那些几年前就该扔掉的东西找出来了。