The punctuation marks have distinctive function of grammar and rhetoric. They should be emphasized, and great importance should be attached to their flexibility as well as their criteria.

• 摘要标点符号具有独特的语法功能和修辞功能，其使用应当格外受到重视。我们在强调标点符号规范性的同时，也应该允许其灵活性的存在。