Temporary two-character word group and fixed two-character word group have no clear boundaries between groups, partly because the internal structure of word groups constitutes a form of consistency;

临时二字组和固定二字组之间没有明确的界限，一方面是由于字组内部结构构成方式的一致性；

youdao

Temporary two-character word group and fixed two-character word group have no clear boundaries between groups, partly because the internal structure of word groups constitutes a form of consistency;

临时二字组和固定二字组之间没有明确的界限，一方面是由于字组内部结构构成方式的一致性；

youdao