Japanese phrase
___円なら買います。 ___ en na ra ka i ma su
Meaning
I'll buy it if it's ___ yen.
When to use it
States that the speaker will buy something at that price. The phrase sets a maximum acceptable price and sounds polite but direct in everyday shopping.
Example dialogue
500円でどうですか？ 500 en de dō de su ka
How about 500 yen?
500円なら買います。 500 en na ra ka i ma su
I'll buy it if it's 500 yen.