Then there is fossilized pollen, from low shrubs and grasses that once grew in the Sahara.
还有一些石化的花粉，来自于曾经生长在撒哈拉的小灌木丛和草丛。
Near the church and the parish house, lay an old ruin that once had been a spacious building.
在教堂和教区的房子附近，有一片残旧的废墟，它曾经是一座宽大的建筑。
It is vital that once an institution claims to be particularly good at something, it must live up to it.
至关重要的是，一旦一家机构声称自己在某方面特别擅长，它就必须做到这一点。
They are not talking with you now! I truly believe that once you get that first word out everything else will just flow.
他们现在不跟你说话了！我真的觉得，一旦你开口说出了第一个字，其他的一切都会水到渠成。
National chains that once ignored Harlem now anticipate yuppie money and want pieces of this prime Manhattan real estate.
曾经对哈莱姆区视而不见的全国性连锁企业，现在期待着雅皮士的钱，还想要占据曼哈顿的黄金地产。
Perhaps that once was true, but today elderly Americans as a group have a lower poverty rate than the rest of the population.
也许这曾经是对的，但是今天美国老年群体的贫困率比其他人群要低。
Miliband said that once a Sunday Sun was launched, possibly in August, this would add further to the Murdoch empire's penetration of the UK media market.
米利班德说，一旦《星期日太阳报》开始发行，可能是8月份，这将进一步加大默多克帝国在英国媒体市场的渗透力。
Rector and others argued that once "the habit of dependency is cracked," then the country can make other policy changes aimed at improving living standards.
雷克特和其他一些人认为，一旦“依赖的习惯被打破”，那么国家就可以做出其他旨在提高生活水平的政策改变。
The elevation of the room that once belonged only to the servants to that of design showcase for the modern family tells the story of a century of social change.
从曾经只属于仆人的房间，到现代家庭的设计展示，这种演变讲述了一个世纪以来的社会变化。
In both North America and Europe, fungus-causing diseases such as Dutch elm disease have killed off millions of stately trees that once gave beauty to forests and cities.
在北美和欧洲，像荷兰榆树病这样的真菌疾病已经杀死了数百万棵曾给森林和城市增光添彩的高大树木。
At Mercedes, cutting payrolls, streamlining production and opening up to consumer needs are revolutionary steps for a company that once considered itself beyond improvement.
在梅赛德斯，这意味着裁员、精简生产和满足消费者需求——对于这家一度认为自己已无法改善的公司来说，这是革命性的举措。
Piaget argued that once adolescents enter the world of work, their newly acquired ability to form hypotheses allows them to create representations that are too ideal.
皮亚杰认为，一旦青少年进入职场，他们会新习得构建假设的能力，这促使他们构想过于理想的图景。
Changes in technology may mean that once-valued skills are now redundant.
技术的变化可能意味着从前受重视的技巧现在变得多余了。
The study also indicated that once touch becomes part of the process, it could translate into a sense of possession.
这项研究还表明，一旦触摸成为过程的一部分，它可以转化为拥有感。
Sitting in a more comfortable car in a different traffic jam is pleasant but hardly the liberation that once seemed to be promised.
在另一场交通拥堵中，坐在一辆更舒适的车里是令人愉快的，但难以感觉到曾承诺过的那种自由的感觉。
During the recession companies set prices low, hoping that once they had tempted customers through the door they would be persuaded to order more expensive items.
在经济衰退期间，公司把价格定得很低，希望一旦他们吸引顾客进门，就能说服顾客订购更贵的商品。
Many young people worry that once they graduate from university, they will join the ranks of the unemployed.
许多年轻人担心他们一毕业就会加入失业大军。
Projects usually begin by identifying a stream that once allowed salmon to spawn.
项目通常首先从确定一条让鲑鱼产过卵的河流开始。
What happened to Australia's megafauna, the giant animals that once existed across this enormous continent?
曾经生活在澳大利亚这片广袤大陆上的巨型动物经历了什么？
We both love thinking of the children reading the story today, coming to it for the first time and realizing that once, for a short time and in a small place, a group of prejudice-free people created a touching story of love and kindness towards others.
我们都很乐意想到现在读这个故事的孩子们，当他们第一次读到时，意识到曾经在很短的时间里，在一个很小的地方，有一群没有偏见的人创造了一个关于对别人的爱和善意的动人的故事。
The wins and losses that once seemed so important will fade away.
曾经看起来那么重要的输赢大事，也将随之褪色、消失。
The hypothesis says that once you taste it, you won't be as happy without it.
这个假设认为，你一旦体验了它，在没有它的情况下你就不会感到幸福。
It might even emerge as a model for other universities that once looked down on it.
公开大学甚至可能成为其他学校效仿的楷模，而这些学校曾经一度对它嗤之以鼻。
Indian poultry farmers have learned that once-discarded chicken's feet can actually be sold.
印度养禽户明白了曾一度弃之敝屣的鸡爪子事实上也有买家。
For I knew, really knew, that once you open this door, you can't pretend you never opened it.
因为我知道，真的知道，一旦你打开这道门，你就无法假装自己从未打开过它。
I thought that once I got a degree, everything would be self-explanatory, but it really isn't.
我本以为我拿到学位后一切都能迎刃而解，但事实并非如此。
But we kept each other going, saying that once we got to the island things would be different.
但我们彼此鼓励说，我们到岛上以后事情会好转的。
But we kept each other going, saying that once we got to the island things would be different.
但我们彼此鼓励说，我们到岛上以后事情会好转的。
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