He is both an expert, and master in antique authentication.

他是一位鉴定古玩的行家里手。

youdao

Every man is the master of his own fortune — R. Steels, American set theory expert.

每个人都主宰着自己的命运- - -R。斯蒂尔斯，美国数学集论专家。

youdao

Every man is the master of his own fortune — R. Steels, American set theory expert.

每个人都主宰着自己的命运- - -R。斯蒂尔斯，美国数学集论专家。

youdao