（一）境外单位或者个人向境内单位或者个人销售服务、无形资产，在境外现场消费的服务除外；
Interleaved gradient noise is a form of low-discrepancy sequence that attempts to distribute values more evenly across space when compared to pure white noise[9].
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This Side Hustle Spotlight Q&A features Federica Mercuriello, 42, founder of Sausly, a business selling pasta and sauce kits made in Italy. Originally from Italy and now based in Miami, Florida, Mercuriello moved to the U.S. in 2009 on a scholarship to study civil engineering at Columbia University. Responses have been edited for length and clarity.