Part Four:Writing and Translation >Translation Return 2)How and when human language developed and whether animals such as chimpanzees and gorillas can develop a more elaborate system of communication are issues at present being researched. 人类的语言是什么时候以及以何 种方式发展起来的，诸如黑猩猩和大 猩猩一类的动物是否会形成一种更加 复杂的交流系统，都是现阶段人们研 究的课题。2) How and when human language developed and whether animals such as chimpanzees and gorillas can develop a more elaborate system of communication are issues at present being researched. 人类的语言是什么时候以及以何 种方式发展起来的，诸如黑猩猩和大 猩猩一类的动物是否会形成一种更加 复杂的交流系统，都是现阶段人们研 究的课题。 Part Four: Writing and Translation >> Translation