Ooh, speaking of keeping busy-I have an early start tomorrow,and the baby-sitter has to get home.
哦, 说到忙于工作,我明天还得早起,而且临时保姆也该回家了。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想,知识的积累便开始了。