并列连词起源较早，甲骨文中即已产生。

The origin of coordinate conjunctions was very early, which were appeared in oracle bone inscription.

youdao

他走进屋子，坐在桌子旁。(省略了并列连词and)

He went into the room and sat at the table.

youdao

他走进屋子，坐在桌子旁。(省略了并列连词and)

He went into the room and sat at the table.

youdao