Facilita mucho la labor de búsqueda

me encanta

I use it all the timje. Highlight text on the page and go straight to the version of the paper open for anyone to read if available. Works fine in Firefox

正式迁移到 Firefox，垃圾 Chrome。

it does fully activate as much as google chrome extension.

A perfect tool for PhD students.

I can not visit google.com, but I can visit google.com.hk. Could you give an option to change it?