they (incorrectly) believe that ready-to-eat foods are less expensive than those they cook themselves;

他们（错误地）认为方便食品比自己来弄要便宜；

youdao

they (incorrectly) believe that ready-to-eat foods are less expensive than those they cook themselves;

他们（错误地）认为方便食品比自己来弄要便宜；

youdao