Compared to the Western, particularly American, emphasis on “the sky's the limit,” `上限` often appears in more pragmatic, system-oriented contexts. This isn't to say Chinese culture doesn't value limitless potential—a common phrase is `潜力没有上限` (qiánlì méiyǒu shàngxiàn), meaning “potential has no upper limit.” However, the term `上限` itself is most often used to define the practical, established boundaries within a system, be it financial, technological, or bureaucratic. It's less about a personal, self-imposed limit and more about an external, pre-defined one.