Mrs. Shriver also opened a summer camp that was free of cost for mentally retarded children.
施莱佛夫人还开了一家夏令营，对智力落后儿童免费开放。
Free of cost
原声例句
VOA Special 2018年12月合集
英语百科
Gratis
![A Freebox in Berlin, Germany 2005, serving as a distribution center for free donated materials](/Images/godic/202501/14/Freebox0319.JPG")
Gratis /ˈɡrɑːtᵻs/ or /ˈɡreɪtᵻs/ is the quality of an action where the action is willingly provided without any requirement by the provider for compensation or monetary remuneration. It is often referred to in English as free of charge (FOC), complimentary, or on the house. Companies, producers, and service providers often provide certain things free of charge as part of a larger business model, pricing strategy, or as a donation.
- continuous cortical activity
- continuous cost function
- continuous cost system
- continuous counter
- continuous countercurrent decantation
- continuous counter current decantation
- continuous countercurrent extraction
- continuous counter current flow
- continuous countercurrent ion exchange
- continuous countercurrention exchange
- continuous countercurrent leaching
- continuous counter current operation
- continuous countercurrent operation
- continuous counter dial
- continuous counterflow dissolver
- continuous counterflow opration
- continuous course technique
- continuous course treatment
- continuous cover
- continuous coverage
- continuous crabbing machine
- continuous cracking
- continuous crank
- Continuous creation
- continuous creation hypothesis
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- motive in purchasing of aesthete
- motive in purchasing of economical type
- motive in purchasing of nominalism
- motive in purchasing of reality
- motive in purchasing of self-estcem
- motive in purchasing of selfexpression
- motive of civil proceedings
- motive of convict escaping
- motive of convict's abetting behavior
- motive of offender with abnormal mentality
- motive of public prosecution
- motive of witness denying previous testimony
- motive of witness refusing to testify
- motive research in purchasing
- motor ability
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