Dr Chen added: "Until now the lines drawn between stress, appetite and anxiety were pointed out, but never fully explained."
陈博士接着说：“到目前为止，压力、食欲和焦虑三者之间的关系终于理清了，但是我们还不能完全解释清楚。”
But about half of cases of never-smokers with lung cancer cannot be explained by known risk factors, which also include asbestos, indoor wood-burning stoves, and aerosolized oils caused by cooking.
但是，大约有一半不吸烟者肺癌病例无法用已知的危险因素进行解释。已知危险因素还包括：石棉、烧薪材的室内火炉和油烟。
Another boy, falling over his words in a rush to get them out, explained that he had never spoken to a foreigner before, and it made him so nervous that he hoped I wouldn't be angry.
另一个男孩，说话时急于想表达却说得很艰难，他解释，他以前从没有跟外国人说过话，很紧张，希望我不要生气。
'I've never worked on Wall Street,' he explained. 'I don't have those interests and those connections.'
他解释说：我从未在华尔街工作过，我在此没有利益关系，也没有那种千丝万缕的联系。
Peter explained that using the iPad filled all of his time. He was always working and playing on it. And he was never bored.
彼得解释道使用iPad占据了他全部时间，他不是用它来工作就是用它来玩耍，并且，从不会感到无聊。
She explained that Flipboard never provides a full version of content, but instead caches the content's web page behind the scenes where it can be read at the touch of a button-ads and all.
她解释说Flipboard从来不提供内容的完整版本，而是将内容的网页在后台缓存，在点击按钮时能够立刻供读者阅读——伴随着广告和其他一切。
"My wife makes all the small decisions," he explained, "and I make all the big ones, so we never quarrel about each other's business and never get unhappy with each other."
“我老婆决定所有的小事情”，他解释道：“然后大事我来决定，所以我们从没有因为彼此的事情争吵也不会对对方不满。”
It became one of the world's most famous UFO sightings - and has never been explained.
这成了全世界最著名的UF O目击事件之一，而且从来都没有合理的解释。
But I was determined. Never before had I heard such knowledge, and so concisely explained. I introduced myself to the monk.
但是我意已决，我以前从来没有听说过类似的知识，而且描述地如此简单清晰。我向僧人做了自我价绍。
There was always a queue, and on the bank statement that they sent each month they took money out of my account for banking charges that they never explained.
那里总是排队，而且在银行每月寄给我的对账单上，他们会从我的账户里扣除银行手续费，而对此银行从未有过任何解释。
It was explained to us that Mr Hayao wished to retire from film making, and that the family and the studio wanted Mr Hayao's son Goro, who had never made a film at all, to make this one.
我们得知宫崎骏先生想自制片工作中退休，而他的家庭以及工作室希望宫崎骏尚未制作过任何影片的儿子吾朗能够制作此作。
Arthur, I've been going to a therapist for three years, and she's never explained things to me that well.
亚瑟，我看了3年的心理医生，她都没能说出问题的症结。
Arthur, I've been going to a therapist for three years, and she's never explained things to me that well.
亚瑟，我看了3年的心理医生，她都没能说出问题的症结。
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