Japanese phrase
___なら賛成です。 ___ na ra san sei de su
Meaning
I support it if ___ is chosen.
When to use it
Shows support when a proposal meets a condition. The speaker accepts one option while leaving other options open, usually in a calm and polite tone.
Example dialogue
会議の時間を変えますか？ kai gi no ji kan o ka e ma su ka
Shall we change the meeting time?
午後三時なら賛成です。 go go san ji na ra san sei de su
I support it if 3 p.m. is chosen.