Crux of the matter
问题的关键
🧩 词语组成解析
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];
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
matter
['mætɚ]
n. 事件;（讨论、考虑等的）问题;重要性;物质;
vi. 要紧，重要;化脓;有重大影响;有重要性;
🗣️ 情景例句
How long has he held office?
他已任职多长时间了？
Is the plane leaving?
飞机要起飞了吗？
There's a talk on cancer that might be quite interesting, so perhaps I'll go to that.
有个关于癌症的报告可能很有意思，也许我会听听。