So even the best investors make mistakes, and Buffett later noted that purchasing Dexter was clearly a mistake on his part, due to its dwindling competitive advantages.

• 因此，即使是最好的投资者也会出错，巴菲特后来指出，由于其不断萎缩的竞争优势，购买德克斯特显然是他的一个错误。