"This is certainly the heart of an old maid," thought he.
“这一定是一个老姑娘的心。”他想。
This is certainly a theoretical risk but in practice there is seldom a problem.
这在理论上肯定有风险，但在实践中却很少出问题。
This is certainly turning rubbish into a national treasure.
这无疑是在把垃圾变成国宝。
This is certainly a little difficult for people who are more used to a hierarchical system.
这对于习惯于等级制度的人来说有点困难。
This is certainly true in health care, where some of life's best and worst moments involve doctors.
这在医疗保健领域是千真万确的，在这个领域里，生命中一些最好和最坏的时刻都与医生有关。
This is certainly a brilliant idea.
这个主意真高明。
This is certainly a good thing.
这当然是件好事。
This is certainly a beautiful country!
这儿可真是一个美丽的乡间！
This is certainly a good result for me.
这一战绩对我来说相当不错了。
This is certainly not a natural signature.
这肯定不是自然的东西。
This is certainly true for some tech giants.
有些科技巨头的情况确实如此。
This is certainly more pleasant than the heat.
这当然比忍受酷热惬意得多。
This is certainly a wondrous event and something to celebrate.
这当然是一件令人惊奇的事件，完全值得庆祝的事情。
This is certainly true of the period we call "the sixties."
这对于我们所说的“六十年代”来说尤其正确。
This is certainly the most popular file hosting destination.
这无疑是最热门的文件托管网站。
This is certainly great news for developers and BlackBerry users.
这对于黑莓开发者和用户来说无疑是个好消息。
This is certainly the undisputed top question that I get to hear.
这无疑是我听到的首要问题。
While this is certainly true, poverty will not buy happiness either.
虽然这是绝对正确的，但是贫穷同样也不能换来幸福。
This is certainly a valid concern to be addressed by the protocol author.
这当然是协议作者要解决的一个问题。
This is certainly not an exhaustive list, but it can give you some ideas.
虽然这确实不是一个精确地列表，但它能够给你提供不少信息。
This is certainly more convenient than the traversal methods I discussed.
这无疑比我所讨论的遍历方法更方便。
This is certainly possible and, although less flexible, is perfectly valid.
这显然是可能的，并且相当有效，尽管灵活性有些不足。
This is certainly more convenient than the traversal methods we discussed above.
这当然比上面所讨论的遍历方法方便。
This is certainly a positive and adds to our confidence in the ultimate recovery for home prices.
美联储现在的表态当然是一个积极的信号，会增加我们对房价最终将会复苏的信心。
This is certainly one of the most significant instances of flight restrictions in living memory.
这无疑是飞行限制在人们记忆中最重大的例证。
When thinking about the interface design of your site, this is certainly an element you should focus on.
当考虑站点的界面设计时，这必定是你应该关注的元素。
While this isn’t the only case when it is worth creating a replica, this is certainly a primary case.
虽然这不是值得创建副本的惟一情况，但绝对是主要情况。
If you catch someone constantly being dishonest, this is certainly a "red flag" that something is very wrong.
如果你发现一个人总是不诚实，这一定是预示“情况非常糟糕”的危险信号了。
Although this is certainly a useful characteristic of XML Signature, it adds a lot of overhead to the processing.
虽然这毫无疑问是XMLSignature的一个实用的特性，但它为处理增加了大量的开销。
Although this is certainly a useful characteristic of XML Signature, it adds a lot of overhead to the processing.
虽然这毫无疑问是XMLSignature的一个实用的特性，但它为处理增加了大量的开销。
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