You can write to your teacher whenever you come across any problems. most colleges offering a correspondence course demand the corresponding students be gathered on campus once or twice a year.
每当你学习中有问题时都可以给老师去信。开设函授课程的学院大都要求函授生每年到学院本部集中面授一两次。
Online courses demand more independent learning because it is up to the individual to use the course and its online resources to maximum benefit.
网络课程更需要自主学习的能力，因为能否从所学课程和网络资源中获得最大的收益完全取决于个人。
Demand, of course, should also rise.
当然，需求也会相应增加。
But in those times, our true friends will demand better of us and we will change course.
但在此类情况下，我们真正的朋友会要求我们做得更好，我们也会调整路线。
Of course the laws of supply and demand should tend to counteract this tendency of too much gold to pile up, but as intimated, normal times are matters of history - perhaps never existed.
当然，供求规律应该有助于中和黄金过度囤积的现象，但是人们越来越意识到，正常时期已经成为历史——或许从来就没有所谓的正常时期。
Yet what the industry and its defenders demand is, of course, precisely that it be let off the hook for the damage it causes.
然而，水力压裂行业及其捍卫者所要求的，却正是对自身造成的损失一推了之。
Because these nodes are rarely accessed in the course of a transformation, Saxon constructs these nodes on demand rather than having them permanently take up space on the tree.
因为在转换过程中很少访问这些节点，所以Saxon按要求构造这些节点，而不是让它们永久占据树的空间。
There's such demand for the procedure, in fact, Bledsoe says her cosmetic school has started offering a permanent makeup application training course.
事实上确实有对这些整形的需求，Bledsoe说她的美容学校已经开始提供永久化妆的培训课程。
Of course, we usually waive notice and allow immediate withdrawals.in demand or current accounts.
当然，一般情况下，我们通常不必提前通知，并且允许立即提款。
Moreover, we more or less know that foreign central bank demand for Treasuries will fall over the course of 2009.
此外，我们或多或少知道，在过去的09年外国央行对美国国债的需求将下降。
With Flamingo tools, you can not only create a new project quickly, but also generate pieces of an application on demand over the course of the development cycle.
使用Flamingo工具，你不但可以快速地创建一个新项目，还能在开发周期过程中随时产生应用的各个部分。
Of course this would only work if buyers reduced their demand in response to the tax increase in prices.
当然，只有当买主对推高价格的税收的反应是减少需求，这样才会起作用。
Of course, rising demand need not always be associated with higher prices.
当然，需要的日益上升并不一定总是与价格上涨联系在一起。
Of course, everything has to work, has to perform to standards, and must be available upon demand.
当然，每个功能必须工作、必须按标准执行，并且在需要时必须可用。
Photos of animals, especially pets, that are naturally restless, playful and don't like to wander out of their routine, demand a lot of patience and, of course, talent.
动物，特别是宠物，通常是不太平的，好玩的，并且不会突破常规，这样的照片需要很多耐心，当然，也需要天赋。
Of course, lower mortgage rate increases property demand.
当然，降低按揭利率也会增加房地产需求。
Of course Serbia's conflict with Kosovo is not the only reason for the plight of the latter's fledgling wine industry: the financial crisis has hit demand.
当然，塞尔维亚和科索沃的冲突不是造成后者酿酒业陷入困境的唯一原因：金融危机也冲击了大众对葡萄酒的需求。
If circumstances demand it, she is pragmatic enough to alter course. But she is not infallible.
如果环境需要，她会发挥足够的实用主义来改变政策，虽然她并不是永远正确的。
Britain should, of course, try as hard as possible to reverse some of the recent increase in commodity prices, especially by taking tougher measures to reduce oil demand.
当然，对于最近剧增的商品价格，英国应当尽可能的努力加以缓解，特别是要设法限制对于石油的需求。
Not everyone believes him, of course. But so far there is no evidence that AT&T or Verizon have tried to block sites or demand ransoms.
当然，也不是所有人都信服他所说的，但是至今还没有证据表明美国电话电报公司和维珍公司曾经试图限制网络接入或是要求给于报酬。
My demand is bulk, but of course I'll have to reduce the quantity of my intended purchase substantially with your offer.
我的需求量是很大的，当然罗，按您的报盘我只得削减预定的购买量。
Such actions take into consideration, of course, any changes inthe pace at which money is being used and changes in the public's demand forcash balances.
这样的措施当然会考虑货币流通的节奏和公众对现金余额的需求。
Of course, a rise in the spot price of oil triggered by a change in expectations about future prices will cause a decline in the current quantity of oil that consumers demand.
当然，由未来油价预期引发的现货油价上涨会促使当前石油需求量下降。
The course takes on a more strategic approach, offering a practical business management program with a focus on managing the flow of materials, people and service to satisfy customer demand.
当然需要一个更具战略性的方法，提供一个实际的业务与管理的材料，人员和服务，以满足客户的需求流动为重点的管理方案。
Open shop in the course of business, business to do maintenance work, let oneself can better adapt to market changes, to meet consumer demand, so as to let the shop stay in business success.
开网店在经营过程中，要做好经营维护工作，让自身能够良好的适应市场的变化，不断迎合消费者的需求，这样才能够让网店成功经营下去。
Open shop in the course of business, business to do maintenance work, let oneself can better adapt to market changes, to meet consumer demand, so as to let the shop stay in business success.
开网店在经营过程中，要做好经营维护工作，让自身能够良好的适应市场的变化，不断迎合消费者的需求，这样才能够让网店成功经营下去。
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