Social system
[经] 社会制度
🧩 词语组成解析
🗣️ 情景例句
Here's my visa card.
这是我的visa卡。
I dialed the right number,but nobody answered.
我拨了正确的号码，但是任何人接。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。