Many questions about the crime remain unanswered .
这桩罪行涉及的许多问题仍然没有答案。
unanswered letters
未答复的信件
1.无回答的;无反响的
1.an unanswered question or problem has not been answered or solved
2.an unanswered letter or message has not had a reply
1.The Health Ministry did not immediately respond to a faxed list of questions, and calls to the dairy association rang unanswered.
对于传真过去的一系列问题，卫生部并没有及时回应。打电话到奶制品工业联盟，始终无人接听。
2.Whether this form of lending has led to peace, the presumptive reasoning behind the award, is just as big an unanswered question.
不管是否这种形式的借贷能带来和平，奖项背后蕴含的道理同样是大的未解决的问题。
3.Marie Al-Ani said the IPCC's investigation into her son's death had been "a shambles" that left many unanswered questions.
玛丽·阿尔安尼说，IPCC对她儿子死亡的调查混乱不堪，他们留下了很多没有解答的问题。
4.That death and my previous unanswered attempt to make contact were the forces that caused him to make his own move.
朋友兄弟的死亡，加上我先前找他他没有回应，成为他走出这一步的动力。
5.Yet the question of how the enzyme achieves such a high degree of discrimination between matched and mismatched NTPs remained unanswered.
酶是利用怎样一种机制精确区分匹配和错误匹配的NTP的？至今仍没有答案。
6.There are still unanswered questions over how the body dealswith the released fat, and how much extra it can cope with.
对于人体如何处理释放的脂肪，它能对付多少多余的脂肪来说，仍然有一些有待解答的问题。
7.This remains an unanswered question and the ultimate choice between them is often decided by custom.
而这一问题目前还没有答案，最终的选择往往是由用药习惯决定的。
8.Though the actual level of security of iCloud remains unanswered, it seems to be the most secure among the existing cloud services.
虽然iCloud的实际安全水平还不得而知，但它似乎是现有的云服务中最安全的一个。
9.The report is likely to leave at least some questions unanswered, since only selected highlights will be made public.
由于只有挑选出来的重要部分会公布于众，报告可能会留下一些没有回答的问题。
10.Any buyer would also need a solution to the still unanswered question: what exactly is the most popular US website trying to be?
不管买家是谁，都必须解决一个仍然没有答案的问题：这家美国最受欢迎的网站究竟打算如何定位？