1. The event was an undoubted success. 这次活动是一个无可置疑的成功。
2. His sincerity is undoubted. 他的诚意是无容置疑的。
3. While there's an undoubted genetic basis to individual differences, it is wrong to think that socially defined groups can be genetically accounted for. 毫无疑问，个体差异有遗传基础，但认为社会定义的群体可以通过遗传解释却是错误的。
4. She has an undoubted talent as an organizer. 她的确有组织才能。
5. Vertical farming is an attempt to address the undoubted problems that we face in producing enough food for a growing population. 垂直农业试图解决我们在为不断增长的人口生产足够的粮食时所面临的不容置疑的问题。
