1. The spontaneity of young children and guns are a lethal combination as illustrated in these two examples. 如这两个例子所示，幼儿自发性与枪支的结合是致命的。
2. It involves the crude mechanics of writing, but in its economy, spontaneity and even vulgarity, texting is actually a new kind of talking, with its own kind of grammar and conventions. 它涉及粗略的写作技巧，但就其经济性、自发性甚至是庸俗性而言，发短信实际上是一种新型的谈话方式，具有自己的语法和惯例。
3. He had the spontaneity of a child. 他有孩子般的自然举动。
4. But the danger of spontaneity is also great. 但自发的危险也很大。
5. It allows for more spontaneity in your life. 单身生活能让你有更多的自主。
