原文：
Managers don’t need an academic study to recognize that launches take a toll on many parts of a company, from design and development to manufacturing and marketing. Firms that launch many new products incur high costs, which may hurt stock returns.
词汇突破：
launch 新品发布 incur 导致
hurt stock returns 损害股票收益 manufacture 制造
marketing 市场营销
听写：
新品发布 市场营销
制造 导致
损害股票权益