Many people believe that grammar is the sine qua non of language learning.
许多人认为学习语法在学习语言中是必
的。
Many people believe that grammar is the sine qua non of language learning.
许多人认为学习语法在学习语言中是必的。
声明：以上例句、词性分类均由互联
自动生成，部分未经过人工审核，其表达内容亦
代表本软件的观点；若发现问题，欢迎向我们指正。
