1.有怀疑的余地
1.This is a genus of closely related, intergrading species where the number of taxa meriting recognition is still open to doubt.
这一接近有关，值得识别的的数量分类群可以考虑怀疑在哪里的过渡性种的属。
2.Granted that a new dorm is inevitably necessary, if the building should be experimental and futuristic style is open to doubt.
诚然，一栋新的宿舍楼是完全必要的，但这栋楼是否要建成实验性和未来式的风格还需商权。
3.Whether this is a reasonable pay-off for millennia of technological innovation is surely open to doubt.
这是不是个为千年技术革新所付出的合理代价，确实还存在着疑问。
4.Deductions based on analogy are frequently open to doubt.
根据类比作出的演绎推论常容易引起质疑。
5.But insurance is more open to doubt than other areas.
但相比其他行业，保险业则对质疑持更开放的态度。
6.Less open to doubt was the value of being a prisoner-of-war in America.
再有，就是他在美国做战俘时学到的价值观。
7.After the way they treated Nim, that's very much open to doubt.
在他们那样对待尼姆之后，这就很难让人相信了。
8.What is not open to doubt is that Mr Obama's win is a milestone in America's racial and cultural evolution.
毋庸置疑的是，奥巴马先生的胜利是美利坚合众国种族与文化演进史上的一个里程碑。
9.Pure literature: a concept open to doubt in tactics
纯文学：一个值得质疑的策略上的概念