This takes account of the number of countries in which a company wins approval for a new drug, weighted by the size of each country's market.这考虑到了允许一家公司的新药在本国上市的国家的数量，并依照每个国家的市场规模权衡其重要性。The firm underestimated the size of the market for their new product.公司低估了他们新产品的市场规模。