For sole proprietors, check for local assumed names (also known as DBA ). In the U.

为成为唯一所有人，核对本地化名（亦称DBA ）。

In the US, for example, the tax rates for sole proprietors are often only half of those for corporations.

例如，在美国，个体制企业业主的税率通常只是股份公司税率的一半。