In China, students there spend much more time studying grammar than studying pronunciation.

See
http://www.studyspanish.com/tutorial.htm

This webpage says:
1. When most people think of "grammar" they don't get very excited.
2. Grammar is not the goal. For most people, the goal is not to become a grammar expert—the goal is to be able to speak the language you want to study conversationally.
3. Studying Spanish grammar will not make you fluent.

But I felt excited when I studied English grammar. Because I got English by grammar at first. It was grammar that made me enter the gate of English.