economical
节约的,经济的
【例】You may make the spare parts yourselves if you consider it economical or appropriate to do so.
如果你方认为自造零件经济或者合适,就可以自造。
economically
【1】在经济方面
【例】Ours is a developing country. We are still rather backward economically.
我国是个发展中国家,我们在经济方面仍很落后。
【2】节约地
【例】They dressed economically.
他们穿着朴素。
economize, economise
【1】节省
【例】We should try every way possible to economize various expenses.
我们应尽一切可能节约各种费用。
【2】节约
①常接用on。
【例】We must economize on man power and material resources in production.
在生产中,我们必须节约人力、物力。
②用作动名词。
【例】Economists point out that all of us are involved in economizing on time.
经济学家们指出,节约时间关系到我们所有的人。