Substitution support has been enhanced to support a new pattern: a temporary absence defined by a time interval.
替换支持已经得到增强，可以支持一个新模式：按时间间隔定义的临时缺席。
By the time I was vice chancellor, the Senate had become a much larger and a much more democratic body.
到我做副校长的那个时候，大学评议会已经成为一个更大、更民主的机构了。
A bird, by singing, may forfeit time that could otherwise be spent on other important behaviors such as foraging or resting.
一只鸟，通过唱歌，可能会失去原本可以花在其他重要行为上的时间，比如觅食或休息。
By measuring the time required for a signal to travel between the satellites and the antenna, the car's location can be pinned down within 100 meters.
通过测量信号在卫星和天线之间传播所需的时间，汽车的位置可以被锁定在100米误差之内。
"This is really a time of investment by the banks to develop relationships with the next generation of high net worth," Singapore-based Ong said.
总部位于新加坡的 Ong 表示：“现在确实是银行进行投资、与下一代高净值人士发展关系的时候了。”
You know it isn't time to be thinking of winter quarters yet, by a long way!
你们知道的，现在还不是考虑过冬住所的时候，还早着呢！
It was a good choice: by the time I was twenty-five, I'd already finished two novels and had an agent.
这是个不错的选择：在我25岁的时候，我就已经写完了两部小说，并且有了一个经纪人。
A given lake's residence time is by no means a fixed quantity.
某一湖泊的“停留时间”并不是一个固定值。
Tess would like a dollar for every time she had heard that word misused by television journalists.
特丝每次听到电视台记者用错那个词，都恨不得收他们一美元。
You were a total failure if you hadn't married by the time you were about twenty-three.
如果你在二十三岁左右还没结婚，就是一个彻底的失败者。
By the time we reached the other side, Maram vowed that he would never swim a river again.
我们到河对岸时，马拉姆发誓说他再也不游泳渡河了。
The girl was then hit a second time by another van when an elderly trash collector came to her aid, according to some witnesses.
据一些目击者说，当一位上了年纪的垃圾清运员前来帮助她时，这名女孩再次被另一辆面包车撞倒。
No matter that the first Thanksgiving was celebrated by a privileged few in a time of rampant starvation and the suppression of Native Americans—Hale wanted her Thanksgiving.
尽管第一个感恩节是在饥饿肆虐、美洲印第安人遭受镇压的时期，由少数特权群体庆祝的，但黑尔还是想要过她自己的感恩节。
Deep reading requires not just time, but a special kind of time which can't be obtained merely by becoming more efficient.
深度阅读需要的不仅是时间，而且是一种仅靠提高效率所无法获得的特殊时间。
We expect the din of the cloud-related chatter to turn into a real roar by this time next year.
我们预计，到明年的这个时候，云相关的喧闹将变成真正的咆哮。
For example, consumers could use appliances in a more efficient way by adjusting the time of cooking to the type of food.
例如，消费者可以根据食物种类调整烹饪时间，从而更高效地使用电器。
For a long time, people thought that we learned a language only by imitation and association.
长期以来，人们认为我们只能通过模仿和联想来学习一门语言。
Sitting down comfortably, the two men passed their time by chatting, taking a sip now and then.
两人舒服地坐了下来，边聊天边打发时间，时不时地喝上一小口。
Dutch peasants were able to remain unaffected by this crisis for a long time because they had specialized in dairy farming, industrial crops, and horticulture.
荷兰的农民能够在很长一段时间内不受这场危机的影响，因为他们专门从事于奶牛养殖、工业作物和园艺的工作。
So far, machines have a pretty hard time emulating creativity, arbitrary enough not to be predicted by a computer, and yet more than simple randomness.
到目前为止，机器在模仿创造力方面有相当困难的时间，它们的随机性足以让计算机无法预测，但也不仅仅是简单的随机性。
He'll be sold again, by the way, a third time, for $2000.00, in Mobile, Alabama, at the Mobile Slave Jail.
他又将被卖掉，顺便说一下，第三次，他被卖了两千美元，在亚拉巴马州莫比尔的莫比尔奴隶监狱。
By this time, I should no longer be a Marionette.
到那时，我就不再是木偶了。
By the time you become a teenager, many different roads lead to the most important places on the map.
等到你成了青少年，许多不同的道路通向地图上最重要的地方。
Einstein used a definition of time for experimental purposes, as that which is measured by a clock.
爱因斯坦为达到实验目的使用了时间的定义，因为时间是用钟表测量的。
We are usually tired already by the time we get on a plane, and the crowded space and unstable internet connection make work more challenging.
当我们上飞机的时候，通常已经很累了，而拥挤的空间和不稳定的网络使工作更具挑战性。
This is a dangerous game: by the time 100 percent of the evidence is in, it may be too late.
这是一个危险的比赛：等到有了100%的证据，可能就太晚了。
By then, Steve was having a hard time remembering the names of some of his friends.
那时，史蒂夫已经很难记住一些朋友的名字了。
Rick Rahim from Virginia flies helicopters for a living, and when his seven-year-old son's tooth became loose he did not waste time by tying it to a door handle.
来自弗吉尼亚州的里克·拉希姆以开直升机为生，当他7岁儿子的牙齿松动时，他毫不犹豫地就把牙绑在门把手上。
At that time, a woman named Lady Meng Jiang was passing by Fan Xiliang.
那时，有个叫姜孟夫人的女人从范喜良身边经过。
By the time a problem has been addressed and remedied it may have vanished in the marketplace, to be replaced by new abuses of power.
当一个问题得到解决和补救时，它可能已经在市场上消失，被新的滥用权力所取代。
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