简单的英语笑话:Lifetime Warranty 终身保修

Lifetime Warranty
　　After burying his mother nine months earlier, a client of the local mortuary finally had enough money to purchase the expensive coffin hed originally wanted. So we exhumed the body and transferred his deceased mother into the new steel casket. Whats so special about this coffin? I asked the funeral director. He replied, It has a lifetime warranty.