chū / guó / qián / wǒ / xiān / chá / xún / le / bù / tóng / yín / háng / de / huò / bì / duì / huàn / huì / lǜ

出国前，我先查询了不同银行的货币兑换汇率。

Before going abroad, I checked the currency exchange rates at different banks.