Currently, however, there are relatively few researches on yes-noquestion and the researches are not systematic and deep.
但从目前来看,专门针对是非问句的研究则相对较少,而且不够系统和深入。
2
The yes-noquestion is an important type of the interrogative sentence in modern Chinese, and massive outstanding achievements related to this have emerged.
是非问句是现代汉语疑问句的一个重要类型,相关的研究已经涌现出大量优秀的成果;
3
The yes-noquestion is an important type of the interrogative sentence in modern Chinese, massive outstanding achievements correlating with this have emerged up until now.