The functional selection of urban commercial street is the core of commercial street planning, and its correspondence with consumption demand is key successful factor.

商业街功能选择是商业街规划的核心内容，其与消费需求的一致性是商业街成功的关键因素。

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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。

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In order to adapt different bandwidth resources and the network environment correspondence demand, each kind of multimedia information hoped has the scalable flexibility.

为适应不同带宽资源和网络环境下的通信需求，各种多媒体信息均希望拥有可伸缩的灵活性。

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For others, it has been an absolutely vital way of ensuring private correspondence and, with more recent developments, being able to demand bank statements which allow privacy rather than relying on someone else to read them (perhaps a neighbour) at a time when confidentiality could be crucial.

BBC: Why Braille is brilliant