But as with any study of this kind, it was unclear if that was the cause—or if breakfast-skippers were just more likely to be overweight to begin with.
但是，就像任何这类研究一样，原因尚未可知——即，还不清楚不吃早餐是否能导致他们更容易超重。
But the identity of these ancestors remained unclear.
但是祖先们的身份仍不明了。
But it remains unclear whether Israel will grant the investigators access to the former conflict zone.
但至今仍不明确以色列是否同意调查员进入冲突地带。
A coordinated effort to share the pain seems to be the best option out there, but it's unclear how much pain the core eurozone countries are willing to take.
同心协力，共同分担痛苦似乎是最好的选择，但现在还不清楚欧元区核心成员国到底愿意承担多少痛苦。
Origin: Unclear, but it began circulating online in late 2008.
源起：不详。但网络传言始于2008年。
The total cost is unclear, but the money initially would be reprogrammed from already approved accounts.
总花费不明，但初期资金可能将重新规划。
Perhaps, but the contrast is ambiguous and unclear.
也许可以，但对比却是模糊不清的。
In their youthful, angry, but idealistic way they are unclear how to do this, but this does not mean that their opinions don't count.
以他们年轻，愤怒，却理想主义的方式，他们不是很清楚如何去做到这一点，但这决不意味着他们的看法不值一文。
How this happens is unclear, but she speculates that the compound may interfere with the body's ability to deal with glucose in the blood.
虽然这种情况是如何发生的还不清楚，但是她推测该药物可能扰乱了肌体处理血液中葡萄糖的能力。
That information should have been passed on to U.S. databases, but it is unclear if that actually happened.
这个信息本该传送入美国的信息库，但是现在不清楚实际上这有没有发生。
That information should have been passed on to U. S. databases, but it is unclear if that actually happened.
这个信息本该传送入美国的信息库，但是现在不清楚实际上这有没有发生。
But it is unclear if they are just a sign of disease or have a causal role.
但是是否可以成为疾病征兆或者和疾病有因果关系，就不得而知了。
But it is unclear whether Republicans will go along.
但是，目前还不清楚共和党人是否会合作。
How he got out of that particular pickle is unclear; but soon he decided to try his luck elsewhere.
具体他怎样摆脱了那个困境目前还不清楚，但很快他就决定去别处试一试自己的运气。
But it's unclear how kindly Apple would respond to such a request under the circumstances.
不过，不清楚在这种情况下，苹果对这样一种请求是否会友好相待。
Everyone agrees that Basel comes first, but it is unclear which comes next: Miami or London.
巴塞尔毫无疑问的是第一，但是第二位是迈阿密还是伦敦还无法下定论。
But it's unclear whether Europe's troubles can really go away that fast.
不过，不清楚欧洲的问题是否真能那么快地烟消云散。
The mechanism is unclear, but appears to include electromagnetic, gravitational, and other resonance effects.
这个机制目前还不清楚，但似乎包括电磁、引力和其他共振效应。
How far out each one can be placed is unclear, but they are designed to be under 180-300 feet of water.
具体可以建在多远的地方尚不清楚，但是它们设计为可建立在180- 300英尺的水下。
The mechanisms are unclear, but it may be that skin is more susceptible to the harmful effects of UV radiation during childhood.
具体机制尚不清楚，但有可能是因为儿童期皮肤较易受到紫外线辐射的有害影响。
April Fools' Day dates back centuries, but its origins remain unclear.
愚人节已有数百年历史，但其来源仍存在争议。
But it's unclear if the schemes will hold up when inevitably challenged in court-or if they'll deter traders from taking unwarranted risks.
但目前还不清楚，如果该计划在受到法庭的质疑时是否会坚持，或它们是否会阻止交易员冒险进行没有保证的风险。
But, with its details unclear, enthusiasm for the proposal in the region is fading.
但是，由于缺乏具体的实施方案，对于这项倡议的热情正在该地区消退。
The reason for that remains unclear, but moving may cause more stress, which can negatively effect health.
而发生这种情况的原因仍然未知，但是搬家可能会增大压力，会消极的影响健康。
The reason for that remains unclear, but moving may cause more stress, which can negatively effect health.
而发生这种情况的原因仍然未知，但是搬家可能会增大压力，会消极的影响健康。
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