adj.节俭的；经济的；合算的
She is an economical housekeeper and feeds her family cheaply. 她是一个节俭的家庭主妇，她全家的花销不大。
We are advocate economical life. 我们提倡俭朴的生活。
This is not an economical method of heating. 这不是一种经济的取暖方式。
She writes novels with economical style. 她以简练的风格写小说。
A monthly is more economical than 4 weeklies. 一张月票比四张周票上算。
When we had done the costings on the project, it was clear it would not be economical to go ahead with it. 我们计算了成本，清楚表明这项工程不合算。
adv.在经济上；节约地
