Travel in the developing world often involves appallingly long, uncomfortable bus journeys with speed-freak drivers, doubtful safety standards and aircon that is permanently set to 'Max'.
旅行在第三世界国家经常需要乘坐不舒服的、不安全的长途公车。公车的安全标准令人怀疑，空调被长期设定成最大。
Still, when it comes down to it, it's doubtful that any business would pay for two web office suites at the same time just to get a complete set of features.
一言蔽之，很难想象有企业会为了获得完整的功能同时花钱买两套在线办公产品。
More relevantly, it is doubtful that fulfilling any set of functions is conceptually sufficient for life.
更贴切地说，这是可疑的：完成任何功能的集合，就概念上充分于生命。
Whether this will set a precedent for many other aggrieved [3] groups is doubtful.
这是否会成为其它许多受过不公平对待的种族的先例尚且无法确定。
Whether this will set a precedent for many other aggrieved [3] groups is doubtful.
这是否会成为其它许多受过不公平对待的种族的先例尚且无法确定。
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