Homework. 神兄周末愉快！

来源: 方外居士 于 2025-10-03 10:38:03 [] [旧帖] [给我悄悄话] 阅读数 : (801 bytes)
本帖于 2025-10-04 00:38:19 时间, 由普通用户 方外居士 编辑

David Card，Nobel economy prize owner of 2021, born in a farm of Canada in 1950s, went to a school with only one classroom where a teacher was responsible for about 30 students belonging classes，and actually paid most of his attention to higher level classes.

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• 句子太长把方外兄搞糊涂了 -godog- ♂ 给 godog 发送悄悄话 (179 bytes) () 10/03/2025 postreply 13:33:39

• 多谢神兄，已经改了！ -方外居士- ♂ 给 方外居士 发送悄悄话 (0 bytes) () 10/04/2025 postreply 19:11:33

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