The Eaton Vance Tax-Managed Buy-Write Strategy Fund of Benef Interest (ticker: EXD) is a mutual fund that focuses on tax-efficient investing through a buy-write strategy. This strategy involves buying stocks and simultaneously writing call options on those stocks to generate additional income. The fund aims to provide investors with a steady stream of income while minimizing tax liabilities. It primarily invests in large-cap stocks and uses options to enhance returns and manage risk. EXD is a suitable option for investors looking for a tax-efficient way to generate income from their investments.