WHY do some languages drip with verb endings, declensions that show how a noun is used, and other grammatical bits and pieces, while others rely on word order and context?

为什么部分语种伴随着动词，名词词尾的变化以及其他复杂的语法规则的同时，而其他语种却依赖于词序和上下文？

youdao

While the sentences in the original are more complicated, and sometimes the authors do not obey the grammatical rules in order to make the sentences beautiful, which may confuse the readers.

而原著的句子一般比较复杂，有时，作者为了语句的优美，写作时没有按照一般的语法规则， 这可能会使初步接触原著的读者感到迷惑。

youdao

Chinese is an analytic language which depends on the invariable roots and word order to indicate its grammatical relations.

汉语是分析型语言，其语法关系取决于不变的词根和词序。

youdao

Next, he threw eight grammatical features, all related to word order, into the mix, and ran the game again.

ECONOMIST: The evolution of language

One man with a mental age of nine has a vast memory for foreign words and the use of grammatical endings, but he cannot seem to break free of English word-order.

ECONOMIST: What makes some people learn language after language?