唯有变化才是永恒的。—赫拉克利特，希腊哲学家。

There is nothing permanent except change. -heracleitus, Greek philosopher.

youdao

唯有变化才是永恒的。—赫拉克利特，希腊哲学家。

There is nothing permanent except change. -heracleitus, Greek philosopher.

youdao