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。

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

youdao

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。

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

youdao