Yes, of course. Come in.
可以，当然可以。请进。
新概念英语第一册
Lesson 89 For sale
📚 句中词汇解析
从本句中提取的重要词汇
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
"There were only three of us on the advanced course."
只有我们三人学高级课程。
近义：racecourse, racetrack, speedway, track, pass, range
vi. 来;开始;出现;发生;
vt. 做;装扮…的样子;将满（…岁）;
int. 嗨！;
"The time has come for action if these beautiful animals are to survive."
若要使这些美丽的动物能生存下去，现在就要行动起来。
近义：impersonate, perform, personify, portray, represent, stage
反义：leave, absquatulate, retire, retreat, scat, split