抄写员经常回收早期作为手稿用的羊皮纸。
The scribes often recycled the parchment that'd been used for earlier manuscripts.
此外，妇女经常在家里做兼职，用商业资本家提供的原材料制作成品。
In addition, women often worked in their homes part-time, making finished articles from raw material supplied by merchant capitalists.
药物经常是用草药、植物、矿物质水、以及可取的动物的器官制成。
Medicines are often made from herbs, plants, mineral water and organs from unfortunate animals.
黑熊幼崽用树来防御，而经常生活在没有树的环境中的棕熊和北极熊则依靠攻击性来保护它们的幼崽。
Black bear cubs use trees for defense, whereas brown bears and polar bears, which regularly inhabit treeless environments, rely on aggression to protect their cubs.
用牙线清洁一下你的牙齿——这是个所需时间很少但我们不经常做的行为。
Flossing your teeth—this is an act that takes very little time but we don't often do.
直到19世纪80年代，蒸汽船才将帆布去掉，因为早期的船用引擎经常发生故障。
Steamships didn't lose their sails until the 1880s, because early marine engines had a nasty habit of breaking down.
但直到19世纪80年代，蒸汽船才将帆布去掉，因为早期的船用引擎经常发生故障。
But steamships didn't lose their sails until the 1880s, because early marine engines had a nasty habit of breaking down.
爷爷经常被谭先生用拖鞋打。
为了照顾好我们的牙齿，我们不应该吃太多的糖果，用太热或太冷的水刷牙，或者经常喝软饮料。
To take good care of our teeth, we shouldn't eat too much candy, brush our teeth with too hot or too cold water, have soft drinks often.
哈利法克斯新举办的一个展览用日常活动来解释我们经常使用、但不易察觉的数学原理。
A new exhibition in Halifax uses everyday activities to explain the hidden math principles we all use on a regular basis.
他经常鼓励我们用英语交谈和写作。
我不知道为什么我用这个例子，但是我经常这样做，我再做一次。
I don't why I use this example but I always do so I am going to do it again.
有时，如果你经常在不同的地方用剪刀，为每个地方配一把剪刀是合适的。
Sometimes, it’s good to get three pairs of scissors if you use them frequently in three different rooms.
蜜蜂经常被作为学习神经生物学的模型——它们可以被训练，用正负强化法保留信息。
Honeybees are frequently used as a neurobiological model for learning-they can be trained, using positive or negative reinforcement, to retain information.
下面是一些经常争用的资源的示例，因此，如果配置适当，就能提高组件之间的隔离级别。
Below are examples of resources that are frequently in contention and, thus, if properly configured, can help increase the level of isolation between components.
在墨西哥，我经常看到摊贩用干净塑料袋装盘子。
In Mexico, I've frequently observed street vendors slipping clean plastic bags over plates.
用例图经常被分组来显示涉众们的需求集合（请看图1中的例子）。
Use case diagrams (see Figure 1 for an example) are often grouped to show a collective set of stakeholder needs.
透纳出名的是，他不是用这个时间来润色，而是经常几乎从头画起。
And famously, Turner used the time not to touch up his work but often to paint entire canvases almost from scratch.
我们经常听到用这样的话来反驳问题的重要性。
此类自动化活动经常过于精细，以保证自己的用例。
Such automated activities are often too fine grained to warrant a use case of their own.
一位经常去日本的朋友买了日本药膏给我用。
I used to apply a Japanese ointment that my friend who travelled to Japan frequently bought for me.
用牙线清洁一下你的牙齿- - -这是个所需的时间很少却是我们不经常做的一个行为。
Floss your teeth - This takes very little time and is something most of us don't do often enough.
为你经常创建的文件类型建立一个命名方案，然后坚持用下去。
Develop a naming scheme for the kinds of files you create most often and then stick to it.
它涉及到了遇见创业人时我们要找的，和经常评估时用的创业者DNA的各种成分。
It covers the components of Founder DNA that we look for and try to assess regularly when meeting entrepreneurs.
在此之前，人们经常将纸堆起来，用丝带卷好系上，然后放在书架上或是抽屉里。
Before that, people used to put papers in piles, tie them up in ribbons, and put them on bookshelves or in drawers.
经常还需要一些催化剂，像氧化铁催化剂或其它东西用。
And this is usually done over catalysts, like an iron oxide catalyst or something.
它们为法律部门提供了一些用例，以帮助它们理解经常净化内容为何会破坏系统的作用。
They presented use cases to the legal department to help them understand how purging content so frequently would defeat the purpose of the system.
如果你经常吃红色的西红柿，那么试试橙色的或是黄色的，用紫色的花椰菜代替通常所吃白色的。
If you're used to munching on red tomatoes, try orange or yellow, or serve purple cauliflower along with your usual white.
例如，通过对那些经常调用的函数进行优化，您就可以用最少的努力来获得最佳的性能。
For example, by optimizing those functions that are called most often, you can get the greatest performance benefit from the least amount of effort.
人们经常指责明星和娱乐圈用虚假的照片来误导青少年对自我形象的认知。
Celebrities and the industry around them is often accused of producing images that affect young people's body image.
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