She takes the bus because it's cheap.

她坐公交车，因为很便宜。

同一单元的其他句子

• How do you get to school every day?你每天怎么去学校？
• I usually take the bus to school.我通常坐公交车去学校。
• She rides her bike to school.她骑自行车去学校。
• They walk to school together.他们一起步行去学校。
• My father drives me to school.我爸爸开车送我去学校。