What are the two indispensable parts of a sentence?

一个句子不可或缺的两个成分是什么？

youdao

It includes four steps: seeing a word, getting back its meaning from your memory, connecting it to other words in the same sentence, and then moving on to the next word. This process uses many parts of the brain at one time.

它包括四个步骤：看到一个单词，回忆这个词的意思，将它与句子中其他单词联系起来，再看下一个单词。这个过程同时调动了大脑的很多部分进行工作。

youdao

It is important to process mixed content in document order; otherwise, you can get completely mangled output, with a changed order of sentence parts.

按照文档顺序处理混合内容非常重要；否则，会导致混乱的输出，并且句子的顺序完全错乱。

youdao

Recognising the value of the free time that most prisoners have in prison, many correctional institutions offer skills and vocational training as well as formal and non-formal education programmes as complimentary parts of a sentence.

UNESCO: M��nster Prison Library