因此他的生意异常红火，这个家族将鳗鱼存鲜的秘诀一代又一代地传下去，并不为世人所知。

Hence, his business was extraordinarily prosperous.His secret of keeping eels live was handed down from generation to generation, only confined to his own family.

youdao

因此他的生意异常红火，这个家族将鳗鱼存鲜的秘诀一代又一代地传下去，并不为世人所知。

Hence, his business was extraordinarily prosperous. His secret of keeping eels live was handed down from generation to generation, only confined to his own family.

youdao