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Residents of U.S. unincorporated territories such as Puerto Rico and the U.S. Virgin Islands are excused from paying federal income tax on locally sourced income if they meet bona fide residency requirements. These territories have leveraged this exception to attract U.S. investors.
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推动科技创新和产业创新深度融合。建设北京（京津冀）、上海（长三角）、粤港澳大湾区国际科技创新中心，打造世界级科技创新策源地。强化企业创新主体地位，支持科技领军企业牵头组建创新联合体，提高承担国家重大科技项目比例。加强中试验证平台建设，完善新兴领域知识产权保护制度，加快重大科技成果高效转化应用。加强科技创新全链条全生命周期金融服务，对关键核心技术领域的科技型企业，常态化实施上市融资、并购重组“绿色通道”机制，以科技金融支持创新创造。
Use wasm_refgen for any type that needs to cross the boundary in a collection (Vec, etc)