Sentenceelement refers to the unit that is a must in a sentence.
句子成分是指句子中的不可缺部分，定语和状语都不属于句子成分。
2
The verb you with concurrent sentenceelement may form sentences of concurrent sentenceelement which is indefinite in this case.
动词“有”可以带兼语构成兼语句，这种“有”字句中的兼语一般是不定指的。
3
Each translation unit contains a sentence or paragraph that's extracted from the original document in an element called, and the translator has to fill a element with the appropriate translation.