谢谢回复! 如何定义能否详细说明?另外,例如:
She usually goes to her friend's house every Thursday but this week,
she didn't go on Thursday. This week, her friend was sick so she is
going to go on Saturday.
这段话中type是23,21,还是17?token是33还是31?如果同时有friend 和friends,他们是算作一个还是两个type?
多谢啦!