1. 我想兑换旅行支票。

[ wǒ xiǎng duì huàn lǚ xíng zhī piào 。 ]

I'd like to cash a traveler's check please.

2. 我需要换乘11路公共汽车，但是汽车站在哪儿?

[ wǒ xū yào huàn chéng 11 lù gōng gòng qì chē ， dàn shì qì chē zhàn zài nǎ ér ? ]

I have to transfer to No. 11 bus, but where is the bus stop?