如题所述
第1个回答 2013-06-23
首先要注意“方便”一次的用法,一般是以“it"作形式主语 Because it is convenient (for us) to take a bus。
第2个回答 2013-06-23
Because it is very convenient by bus
第3个回答 2013-06-23
because taking a bus is very convenient