the conversational pace of everyday life may be so brisk that it hampers the ability of some children to distinguish discrete sounds and words and, as a result, to make sense of speech.
我的问题是:这个句子的形式是it hampers the ability of some childre to do sth and to do sth. 但是不是一般第二个to都是会省略的吗?为什么这里不用省略呢?