In one case, the professor didn't require students to buy a textbook, just an access code to turn in homework.
有一次，教授并没有要求学生购买教科书，只是需要作业提交的访问码。
He doesn't require his students to buy access to a learning program that controls the class assignments.
他不要求学生购买控制课程作业的学习程序。
But he doesn't require his students to buy access to a learning program that controls the class assignments.
但他不要求学生购买控制课程分配的学习程序。
The rules require funds to buy high-quality securities - and to ascertain that quality through their own due diligence, rather than relying only on credit ratings.
这个规则要求基金购买高等级的证券，并且是根据自己的勤奋工作来稽查证券的质量，而不仅仅依赖于信用等级。
Other music services around the world currently require users to buy individual songs or albums, or pay subscription fees.
目前全球其他音乐服务都要求用户购买单独歌曲或专辑，或是要求支付会员费。
Does it require you to buy special meals, supplements, drugs or injections?
它是否要求你购买特定的营养餐、补充剂、药物或注射品？
Horizontal scalability, on the other hand doesn't require you to buy more and more expensive servers. Its meant to be scaled using commodity storage and server solutions.
另一方面，横向扩展并不要求你购买更多昂贵的服务器，这意味着应用普通的存储和服务器作为解决方案。
In areas prone to floods, your mortgage lender may require you to buy the coverage.
在可能发生洪灾的地区，你的房产抵押借款人可能会要求你购买这种保险。
First, institute national feed-in tariffs or a renewable portfolio standard - two ways to require that utilities buy clean energy in a minimum amount or at a certain price.
首先，制定全国性的收购费率，或者可展期资产标准- - - - -两种途径都要求公用事业公司购买最低额度的清洁能源，或者必须以固定的价格购买。
Boat insurers usually require a survey and fixing any serious problems in a survey. If you skip the survey, you may be unable to buy insurance until you do.
帆船保险公司通常会要求船只检验和对严重故障的修复。如果你跳过检验的步骤，你可能就无法给船上保险了。
Some weight-loss programs require you to buy supplements or meals, or to visit weight-loss clinics or attend support meetings.
有些减肥计划需要购买药片、减肥餐，或去诊所，参加减肥支持小组。
To avoid the risk of having to buy back a defaulted loan, Mr Miller says the banks routinely demand tougher standards from borrowers than even the GSEs require.
为了避免被迫买回拖欠债款的风险，MrMiller表示银行将会对借债人使用比两房更为严苛的借贷条款。
Electric cars no longer require drivers to buy expensive batteries or to worry about limited driving distance.
电动汽车不用再买贵电池不必担忧续驶里程。
Amway does not require its Business Owners to buy inventories of stock, and does not impose a minimum order value.
安利不需要它的事业伙伴购买成套产品，不利用最小的订单值。
For example, they do not pay taxes, and they cannot apply for driver's licenses, jobs that require a work permit, or loans to buy houses.
例如，他们不交税，不能申请驾照或需要工作许可的职位，不能申请贷款买房。
On the one hand, with the rapidly increases of material standard of living, most girls won't get married with someone who can't buy a house, and some of them would also require a fancy car.
一方面，随着物质生活水平的急速提高，很多女孩都不会和买不起房的男人结婚，有些还会要求要有靓车。
These rules require them to be willing to buy based on price of third-party management and oversight bodies, rather than expect them to be able to assess the price of selling some assets.
这些规则要求他们必须根据第三方愿意买入的价格而不是管理者和监督机构期望它们能够卖得的价格来评估一些资产。
In order to preserve creditors' right, Banks tend to require purchasers to buy insurance for the house purchase installment.
银行为了保全债权，往往要求借款人购买购房“按揭”保险。
Before we can decide where to buy our materials, we require as much information as we can get on the suppliers.
我们需要从各供应商处得到足够的信息，之后才能决定从何处购买材料。
For example we can require that prices be above a specified moving average in order to initiate buy signals and below that same moving average to generate signals to sell short.
例如，在产生买入信号前我们要求价格必须在某一移动平均线之上，在产生卖空信号前我们要求价格必须在某一移动平均线之下。
Biomass is expected to feature with wind power as the main winners under rules in the UK that will require energy companies to buy 10 per cent of their supplies from green sources by 2010.
生物质能有望与风能一起，成为英国立法规定使用的主要能源之一。英国规定，到2010年，能源公司所使用的原料中要有10%来源于绿色资源。
And should require a corresponding test report, in the product certificate does not express the amount of cooling products not to buy.
并要求出具相应检测报告，在产品合格证中没有明示散热量的产品不要购买。
And should require a corresponding test report, in the product certificate does not express the amount of cooling products not to buy.
并要求出具相应检测报告，在产品合格证中没有明示散热量的产品不要购买。
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