But for once, I said 'hi 'to a foreigner at Starbucks and she smiled back at me.
不过有一次，我在星巴克跟一个外国人说了声“嗨”，她回了我一个微笑。
My father glanced at my mother and shrugged, but for once he didn't ask who before unchaining the safety latch.
爸爸耸耸肩，扫了眼妈妈，平生头一遭他没先问是谁就解开了安全闩。
Much remains unknown about when and how quickly China is going to start pushing its currency higher. But for once, a rising currency could be good news in Japan.
中国将何时、以何种速度开始升值人民币，目前仍不清楚。不过，至少这次，人民币升值可能对日本来说是好消息。
Now she attributes much of her understanding of college to that: "But once I got to campus, it was a completely different ball game that no one really prepared me for."
现在她把自己对大学的理解很大程度上归结为：“但一旦我进入校园，一切就完全不同了，没有人真正让我做好准备。”
I feel sorry for the ending of the main character. But whenever I think about his glory days, my sorrow is once again replaced with wonder and admiration.
我为主角的结局感到遗憾。但每当我想起他的光辉岁月，我的悲伤又一次被惊奇和钦佩所取代。
The other is for protection—and again this isn't as significant as it was once, but hair does still benefit areas of the body such as the head and around the eyes.
另一个作用是保护——这也不像以前那么重要了，但是毛发仍然对身体的某些部位有好处，比如头部和眼睛周围。
A small but vocal group of Hawaiians and environmentalists have long viewed their presence as disrespect for sacred land and a painful reminder of the occupation of what was once a sovereign nation.
一群规模不大但积极发声的夏威夷人和环境保护主义者长期以来一直把这些（望远镜）的存在视作对圣地的不敬，以及勾起他们对曾经主权国家被占领的沉痛回忆的事物。
Sheep once sold for as little as 50 cents each during a glut in the 1980s, but today some breeds of ewe can sell for as much as $200 a pop.
在20世纪80年代的一次供过于求中，羊的价格一度低至每只50美分，但如今一些品种的母羊可以卖到每只200美元。
Things are not as bad as they once were but, according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of pollutants.
虽然现在的情况不像以前那么糟糕，但是根据美国肺脏协会的数据，洛杉矶仍然是美国污染物水平最高的城市。
Wuxi is famous for its water but it once had trouble because of water.
无锡因水著名，也曾因水而困。
The shopping mall has been open for two years, but I have been there only once.
这个购物中心开业两年了，但我只去过一次。
He used to return home at least once a year, but hasn't been back for almost three years now because of the hard job in a crayon factory.
他过去每年至少回家一次，但由于在蜡笔厂工作太辛苦，他已经快三年没回家了。
The third application made it to the final voting for taking part in the 2020 Tokyo Olympic Games but missed out once again.
第三次申请进入了参加2020年东京奥运会的最终投票，但再次错过了机会。
One day, a patient with serious disease was brought to the hospital , but had to be transferred (转移) to another hospital at once for an operation (手术) .
有一天，一个身患重病的病人被送到了医院，但不得不立即转院进行手术。
As a special accommodation, we agree to your D/P payment terms, but only for once.
作为通融，我方同意你方采用付款交单方式，但仅此一次次。
I have thanked Thee a thousand times for my roses, but not once for my thorn.
我曾为我的玫瑰感谢你过一千次，却没有为我的刺感谢你过一次。
I think we should meet once every two weeks, but meet for ninety minutes or more.
我认为我们应该每两个星期开一次会，但一次开九十分钟或是加长。
This is good for testing your code, but once you are ready to deploy your application, you should modify the address information.
这对测试您的代码有用，但一旦您要着手部署应用程序，则应当修改地址信息。
But once he is persuaded, he tends to go for big, bold solutions.
但是，一旦他被说服，他往往会赞成实施庞大而大胆的解决方式。
This may sound like heaven to you and me, but for some billionaires, their work has only begun once they collect their gold Rolex at retirement.
对你我来说，这一切如天堂一般，但对某些亿万富翁来说，他们的工作就是在退休后收藏劳力士金表。
Frozen food remains edible for a very long time in the freezer, but once thawed, it spoils quickly.
在冷库中，冷冻食品在经过长时间保存后，依然可以食用。但是，一旦解冻，食品很快就腐烂了。
It's not easy at first but once you've practiced it for a week or two it will make a huge difference in the amount you eat.
我知道这不是一件简单的事，但一旦你试着这样做了一到两周以后，你的饭量就会有一个很大的变化。
Eight analysts are probably too many for Elaboration but may be great for Construction, once the vision and architecture have stabilized.
对于细化阶段，八个分析人员可能太多了，但一旦远景和体系架构稳定下来，对于构建阶段这个数就非常大了。
For I was alive without the law once: but when the commandment came, sin revived, and I died.
我以前没有律法是活着的，但是诫命来到，罪又活了，我就死了。
But once the researchers adjusted for confounding factors, the network dissolved; in Christakis and Fowler's paper, the happiness link remained unbroken.
但是，一旦研究者把这种分类打乱，这种社会网络就散去了；而在克里斯·塔基斯和福勒的研究中，快乐联系仍然保持着。
But they were loved for what they had once represented: utility, economy and simplicity, as well as light.
但是它们因为曾代表的事物而为人们喜爱：实用、经济和简单，还有光明。
But they were loved for what they had once represented: utility, economy and simplicity, as well as light.
但是它们因为曾代表的事物而为人们喜爱：实用、经济和简单，还有光明。
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