1. Music began to put a soul into a limitless expanse of the world. 乐曲一开始就把心灵带入一个广阔无垠的世界里。
2. XML is a mother language, which can define other languages. Theoretically speaking, XML can define limitless types. XML是一种元语言，可以定义其它语言，从理论上讲，XML可以定义无限的类型。
3. With each success your confidence shoots up, you realize your limitless potential, and you gain more energy to take your next step. 每一次成功会让你的自信增加，你意识到了自己无限的潜力，你也有了更多动力进行下一步。
英英解释
adj.
1. without limits in extent or size or quantity
2. having no limits in range or scope
3. seemingly boundless in amount, number, degree, or especially extent
