But the questions remain about environment protection, and how to represent the mission of keeping America Beautiful.
但问题是何谓环保，以及该如何体现“让美国持续美丽”的使命。
While parts of this book are more text-heavy and cluttered than in the earlier titles, the large illustrations that answer the questions remain clean, lush, and inviting.
虽然这本书更多的文字部分重型比在早期的产品杂乱，回答问题的大插图保持清洁，郁郁葱葱，并邀请。
The sixth chapter: to summarize this essay (mainly including research results and the questions remain to be improved) and give the prospect of the research in the future.
第六章：对全文的总结(主要包括研究成果和有待完善的问题)和展望。
Unless these questions are solved, the region will remain a powder keg.
除非这些问题得以解决，否则该地区会一直是个火药桶。
What's more, for all the rapid growth, significant questions and challenges remain.
更重要的是，尽管增长快速，但重大问题和挑战仍然存在。
Many questions about the crime remain unanswered.
这桩罪行涉及的许多问题仍然没有答案。
Some of the most important questions remain unanswered.
一些最重要的问题仍未被答复。
Questions remain about the president's honesty.
总统是否诚实，还有许多疑问。
Despite the appeals court's decision, big questions remain unanswered.
尽管上诉法院做出了裁决，但一些重大问题悬而未决。
The answers to all these questions remain to be seen.
解答所有这些问题的答案还有待观察。
Questions remain over the way in which they responded to requests for information from people outside the conventional scientific arena, some of whom were long-standing critics of Jones.
但是他们处理传统科学领域之外的人们提出的信息要求的方式仍然存在问题，也导致这些人长期以来一直对琼斯教授持批评态度。
Questions remain, however, as to whether Novartis can still force its offer through without the committee's approval.
然而，在没有这个委员会允许的情况下，诺华是否能够继续进行收购的这个问题还没有解决。
Those questions remain idle, though, without either careful data reduction by a skilled statistician, or the kinds of analysis and reporting that S makes a snap.
可是，如果没有熟练的统计人员进行仔细的数据分析，或者没有由S 做出的分析和报告，这些问题都将没有意义。
But the research on this treatment is still at an early stage, and many questions remain about its safety and effectiveness.
不过，针对这种疗法的研究还处于初级阶段，有关其安全性及疗效还存在许多问题。
Questions remain, though, about exactly how and why the ship ultimately broke apart and sank.
问题仍然存在，那么究竟泰坦尼克号是如何以及为什么最终沉没了？
But important questions remain, he says. For example, male humpback whales sometimes sing as they move in and out of competitive groups, but researchers don't know what role the songs play in mating.
但重要的问题还是，他说，比如，雄性驼背鲸有时候在进入或离开一个竞争性群体时唱歌，但研究者不清楚唱歌在其中起什么作用。
Yet elementary questions about what happened at the school remain unanswered.
然而，关于学校里发生了什么这样的基本问题依然没有答案。
Many questions remain concerning the giant squid.
许多问题人在关心巨乌贼。
The questions she raises there remain with us, but her answers are sometimes problematic.
她在该书中提出的问题，如今依然存在，但她对某些问题，有时不并是给予确然的回答。
Most of the questions have been settled satisfactorily, and only a few questions of secondary importance remain to be discussed.
大部分问题已得到圆满解决，只剩下几个次要问题需要讨论。
Among the important broader scientific questions that remain.
这些较广泛的重要科学问题包括。
But even with more than a century and a half of observations, many unresolved questions remain about the farthest planet from the sun.
不过，即使经过了一个半世纪的观测，这个距离太阳最远的行星，仍有许多尚未解决的问题。
But with all of this bustling progress, many questions about the human family tree remain.
尽管有这许多的进步，众多关于人类家族树的疑问依旧未解。
Even though the threat seems to have passed, questions remain about just how serious this attack was and if there will be any repercussions for the worm's creator.
尽管这次威胁看来已经过去，但人们仍然对这次攻击的严重性留有疑问，或对这次蠕虫制造者将受到的惩罚表示好奇。
Yet it also manages to go somewhere deeper, leaving readers with intriguing questions about the ways in which truth may remain undiscovered, even when lying open in plain sight.
然而在某些容易令读者好奇的地方他小心翼翼并没有深入，因此一些真相仍然被遗留下来，即便它们是如此显而易见。
Yet it also manages to go somewhere deeper, leaving readers with intriguing questions about the ways in which truth may remain undiscovered, even when lying open in plain sight.
然而在某些容易令读者好奇的地方他小心翼翼并没有深入，因此一些真相仍然被遗留下来，即便它们是如此显而易见。
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