No woman ever got anywhere by underselling herself.
想要有所建树 不能妄自菲薄。
It encourages production, and thereby increases the competition of the producers, who, in order to undersell one another, have recourse to new divisions or labour and new improvements of art, which might never otherwise have been thought of.
它鼓励生产,从而增加了生产者之间的竞争,为了相互压,他们求助新的分工或劳动和新的艺术改进,否则这些可能永远不会被想到。