1. Unconcerned, Nancy folds the eggs in half with a spatula. She looks up and smiles at her husband. 南茜用铲子把锅里的鸡蛋对折成一半，一点儿都不担心。她抬起头，朝丈夫微笑着。
2. This paper discusses how to design a platform Unconcerned in fingerprint input system, and gives a real example. 文中探讨了如何设计平台无关的指纹输入系统，并给出实现的实例。
3. The algorithm needs not calculate gradient, is unconcerned about the initial value, and searches in a greater scope. 仿真结果表明，该算法不需计算梯度，与初始选择值无关，并可在较大范围内搜索。
英英解释
adj.
1. lacking in interest or care or feeling
2. easy in mind; not worried
3. not occupied or engaged with
