疑义[yí yì]
词典doubt：怀疑，疑虑；未确定。
词典doubtful point：疑义；疑点。
911查询·英语单词
doubt; doubtful point:
例：毫无疑义
no doubt;
新方法比旧方法好， 这是毫无疑义的。
It cannot be questioned that the new method is superior to the old one.