语言是一种约定俗成的符号体系。语言的运用有着一定的语法规范和修辞习惯 ,这种规范和习惯有一定的强制性 ,什么时候该用什么词语 ,词语之间如何搭配以及词语的感情色彩怎样选择等 ,都必须根据具体的语言环境来决定 ,必须符合通常的表达习惯 ,一般不得随意变动 ,否则 ,就会影 Language is a convention symbolic system. The use of language has a certain grammatical norms and rhetorical habits, such norms and habits have some mandatory, when to use what words, how to match words and how to choose the emotional color, must be based on the specific language Environment to decide, must conform to the usual expression of habits, generally not free to change, otherwise, it will shadow