It turns out that making up a precise list beforehand and getting the errand done as quickly as possible is the best way to save money.
事实证明，事先列出一张准确的清单、然后尽快完成任务是省钱的最佳办法。
It was later proven, however, that Whitney's demonstration was a fake, and that he had marked the parts beforehand and they were not exactly interchangeable.
不过，后来证明惠特尼的展示是一出戏，他事先标记了可用的零件，事实上他们当时并非完全可以互换的。
To do that the agent must obtain beforehand a certificate from the unit that delegates the authority and sign the contract in the unit's name and within the limits of authorization.
代理人必须事前取得责任代理的授权，在授权范围内以责任代理的名义签署合同。
In order to access all the information returned by a stored procedure call, developers need to register all the output parameters beforehand and assign the result of the call to a ResultSet object.
为了访问存储过程调用返回的所有信息，开发人员需要预先注册所有的输出参数，并将调用的结果赋给一个ResultSet对象。
As a further precaution, all the crows had been fed beforehand.
作为进一步的预防措施，所有的乌鸦都预先喂过食。
"I no longer feel pain on a night out because I know what exercises to do beforehand," said 16-year-old Celina Mystery.
16岁的塞丽娜•密斯特里说：“我现在晚上出去玩再也不觉得脚疼了，因为我知道事先要做哪些练习。”
As Sara recalls, "it worked out well, my making the first move, but there was a lot of groundwork to be put down beforehand that helped me make that move a little bit easier."
如同萨拉回忆道，“我首先迈出的第一步还很有效，但是事先，你得打下许多基础，以帮助你迈出那一步稍微容易一些。”
In the latter case we don't have an opportunity to build up any immunity beforehand because it's, by definition, a new virus.
在近期的病例中我们没有机会提前建立任何免疫系统，因为从理论上来讲它是一种新的病毒。
During the first morning of the workshop, the participants review the requirements that were collected beforehand; this session is a "review and refinement" activity.
在研讨会的第一个上午，参与者评审预先收集到的需求；这个会议是一个“评审和细化”活动。
And would it not be foolish to mourn a calamity above twenty years beforehand?
把一个灾难提前二十年来哀悼不是很愚蠢的吗？
When we take a risk we cannot know beforehand what will happen, but if we try our best we are certain to gain something positive from the experience whether we win or lose.
当我们冒险时，我们无法预知会发生什么事，但如果我们尽力而为，不论结果是输是赢，我们必定可以从这次的经验中获得一些积极的启示。
Sometimes we've experienced dates that, beforehand, seemed as though they'd be a success, only to find them a complete failure later.
我们时常经历一些这样的约会：事先看起来应该有戏，事后却发现失败得一塌糊涂。
I doubt I am ever going to become a pizza, and I'll never have the foresight to order one beforehand.
我怀疑，我是不是曾经打算成为一块比萨，我也不会有远见事前就订购一块比萨。
Maybe it's good to go a couple of days beforehand so you are with the group.
提前来几天是不错的，因为这样我们就会一直呆在队里。
When I do give finals, I distribute essay questions a week or two beforehand.
我在举行期末考试时，会提前一到两周下发预先准备好的问答题。
There's no obligation to take out a loan, and some people, if they've worked for a year beforehand, and might have done very well, there might be some people who don't take out a loan at all.
我们没有借贷的义务，某些人如果提前工作了一年，可能可以做到不用借贷。
As is true in all complex systems, the impact of a single adjustment cannot be calculated beforehand; it must be played out in the whole system to be measured.
确实，在所有的复杂系统里，单一调整所产生的影响都无法事先估量；必须让它在整个系统中展现出来之后，才能进行测度。
Take a warm shower or bath to warm up your muscles beforehand, then lie on the floor and stretch.
先洗个热淋浴或者泡个热水澡来帮助你的肌肉热身，然后躺在地板上开始拉伸。
In Japan, meetings are often mainly a formality, with a lot of preparatory work beforehand.
在日本，会议通常只是走走形式，大量的准备工作都已事先完成了。
When participants looked at a picture of money beforehand, the average time spent eating the chocolate went down from 45 seconds to 32 seconds.
如果他们在吃巧克力之前先看一幅关于钱的图片，那他们吃掉巧克力所用平均时间就会从45秒降到32秒。
During my teens the trips to a hostile house became a dread on the horizon for weeks beforehand.
在青少年期我到那充满敌意的家庭里的行程更是让我每周预先感受到恐惧。
Each person took the test twice over two days and beforehand received either an injection of ghrelin, a hunger hormone that is released by the stomach, or a shot of saline as a control.
每个人两天里做的测试是多过两次的，并且这些人在参加测试之前都会注射一种胃饥饿素(从胃里释放出的一种饥饿激素)，或者是盐水。
Now, you can set the initial scope beforehand, as a shortcut.
现在，您可以先设置初始的范围作为一种快捷方式。
Generally, this comes with doing a little bit of research beforehand to make sure the celebrity actually donated the item to the specific place you are purchasing it from.
一般来说，事先做点研究工作，确认你购买明星衣服的地方确实会从明星那里获得各种衣服捐赠。
One group was allowed to watch a funny clip online beforehand, while members of the other team had to go straight to work - while listening to the laughter of their peers in the other room.
其中一组人员在这此前先看到了一段在线的滑稽视频，而另一组人员则径直的开始接受测试，并且一边还能听到另一组人看滑稽视频时发出的笑声。
One group was allowed to watch a funny clip online beforehand, while members of the other team had to go straight to work - while listening to the laughter of their peers in the other room.
其中一组人员在这此前先看到了一段在线的滑稽视频，而另一组人员则径直的开始接受测试，并且一边还能听到另一组人看滑稽视频时发出的笑声。
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