Protection of pure economic interests or contractual relationships may be more limited in scope.

纯经济利益或者契约关系的保护范围可能受到更多的限制。

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In the United States, both methods are used, but it is often considered more friendly to invite a person to one's home than to go to a public place, except in pure business relationships.

在美国，两者的方法被用，但是它时常被视为更友好的邀请一个人到一个家超过去一个公共场所，除了在纯粹的商务关系之外。

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