He's talking about modern science, but these techniques are not new.

Golubic谈论的属于现代科学，但这些窍门已不是什么新鲜事了。

youdao

He's talking about modern science, but these techniques are not new.

Golubic谈论的属于现代科学，但这些窍门已不是什么新鲜事了。

youdao