被用于做某事 be used to do ; be used for ; sth be used to do
被设计用于做 Be Designed To
他过去习惯于被用来做 He accustomed to doing
这项政策被用于做交通、娱乐、个人用餐和花费方面提供基本的指导。
This policy is designed to provide basic guidelines concerning transportation, entertainment, personal meals and expenditures.
网络2.0工具可以被用于做传统广告所做的事：即说服消费者购买一家公司的产品或服务。
Web 2.0 tools can be used to do what traditional advertising does: persuade consumers to buy a company's products or services.
然后，这些信息被包括进来，用于帮助优化器在为那些符合条件的查询(这些查询不需要直接引用视图)的选择性估计和基数估计计算成本时做决定。
This information can then be included as part of the optimizer decision during costing for selectivity and cardinality estimates for qualified queries which do not need to reference the view directly.
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