有些事情如呼吸和进食是婴儿出生时就会的，很快他们就学会辨别不同的人，并开始发出像讲话一样的声音来。

The most effective people are the same whether they are having a conversation with friends or giving a public speech to a large audience and their gesture matches their words.

There are certain things such as breathing and eating which babies can do at birth. Soon they learn to distinguish various people and begin to make noises which seem like speech.