economical的例句（economical在句子中的用法）

• ...plans to trade in their car for something smaller and more economical... 把他们的车折价贴换成更小、更经济型车的计划
• Fans of electric cars say they are clean, quiet and economical. 电动汽车迷们说，电动车清洁、无噪音而且经济。
• Buying in bulk is more economical than shopping for small quantities. 批量采购要比零买实惠很多。