I believe that thrift is essential to wellordered living and that economy is a prime requisite of a sound financial structure, whether in government, business or personal affairs.

我相信俭朴是井然有序的生活所必须；节约是健全的财务结构之必要, 不论是政府、企业或个人事物皆是如此。

This involves the study of sound structures, the formation of words, the sequencing of words and the construction of meaning, as well as examination of the theories explaining these aspects of English usage.

这涉及发音结构、构词法、字序、词意结构的研究，同时也用于对解释英语用法中相关理论的检验。

It seems that the child almost reflexively picks up specific characteristics of the language in question, sound structure, pitch and so on, and picks out its words and somehow knows what they mean, and they mean very complex things.

似乎孩子可以条件反射地抓住疑问句中特定的语言特征、声音结构，以及音调等等，他们能够记住那些语句又不知怎么的明白了其中含义，即使含义非常复杂。