The cost for a Big Mac varies from country to country.
The price of a Big Mac is different depending on which country you are in.
ーThe cost for a Big Mac varies from country to country.
「ビッグマックの値段は国によって異なります」
cost で「値段・価格」
to vary で「異なる」
ーThe price of a Big Mac is different depending on which country you are in.
「ビッグマックの値段はどの国にいるかで異なる」
price で「値段・価格」
different で「違った・異なった」
ーWhy is McDonald's so expensive in Venezuela?
「なぜベネズエラのマクドナルドは高いの?」
expensive で「高価な・高い」
ご参考まで!