A matter of course
成人 Adult Edu理所当然的事
🧩 词语组成解析
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;
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];
course
[kɔrs]
n. 课程;航线;行动方向;一道菜;
vt. 快速地流动;奔流;跑过;追逐;
vi. 沿…（方向）前进;指引航线;快跑;迅速移动;
cour 发生+se → n. 发展；进程，课程，一道菜
🗣️ 情景例句
We'll call on him in any case.
无论如何，我们都要去拜访他。
Let's cross the bridge when we come to it.
既来之，则安之。
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。