The simplest form of business is called an individual or sole proprietorship.

企业最简单的形式是个人企业或独资企业。

Instead, pass-throughs are any of several business, partnerships, limited liability or sole proprietorships, where the business is not taxed on its own, no corporate tax.

相反，传递是任何几个企业、合伙企业、有限责任企业或独资企业，这些企业不单独征税，也没有公司税。

At some point, all of those companies were sole proprietorships with one employee or a few employees that were building a technology that was not yet proven.

在某个时候，所有这些公司都是独资企业， 只有一名或几名员工正在开发一项尚未得到证实的技术。