It would be more economical to buy the bigger size.

买尺寸大点的更实惠。

《牛津词典》

You should be more economical of your energy.

你应该多多节省你的精力。

youdao

It may be more economical to create the forms dynamically, based on metadata that describe the business object model.

基于业务对象模型的元数据，动态创建表单可能会更划算。

youdao

But the study says it can be more economical in the long term than using fuels like gasoline, diesel or kerosene.

VOA: special.2010.01.11

The second green car featured was an efficient diesel: the Citroen C4 which can be more economical, and as good as the best hybrid.

BBC: NEWS | Programmes | Breakfast | Low carbon family: "Green" cars

As such, it was expected to be more economical, need a smaller crew, require less maintenance and allow improved automation of the various onboard systems.

ECONOMIST: MONITOR

The hope is that those cuts will force consumers to be smarter shoppers and doctors to be more economical and states to be more innovative.

FORBES: You Can��t Fix Medicare Until You Fix American Healthcare