Going by train is more economical than going by plane.

坐火车比坐飞机更约。

The principle of diligence and frugality applies to all undertakings.

勤俭约的原则适用于切事业。

She preached economy as the best means of solving the crisis.

她倡导说约是解决危机的最佳法。

She is an economical housekeeper and feeds her family cheaply.

她约,人吃得很省。

"However, conservation alone is not the answer."

"然而,仅仅靠约还不是解决问题的办法。"

"People have to learn to conserve water anytime, especially during the drought."

"大必须学会约用水,特别是在干旱期间。"

They set up an influential committee to advise workers on how to economise in food.

们成立个强有力的委员会来劝告工人们约用粮。

The company has made considerable savings through good housekeeping, such as avoiding wastage.

该公司通过诸如避免浪费等有效的内部管理法约了数量可观的资金。

Souing Electricity mahes Sense!

约用电是很有意义的!

"If the natural resources are used economically, we can certainly slow down the present drain on the limited energy supply."

"如果能约地使用自然资源,那么耗尽有限能源的速度就会放慢。"

Article 3 The supply of urban water shall be subject to the principles of development of water supply, planned and sumptuary water use.

第三条 城市供水应当以发展供水和计划用水、约用水为原则。

To save time and money before you get to the checkstand, try shopping every other week and make an organized list before you go shopping.

另外，你需要在结账前约你的时间，尝试每周购物并且在你购物前制定购物单。

The intercessory system of people's court with low cost and high efficiency is a good way to solve problems such as cunctative lawsuit, waste of litigation resources and realization of justice.

以低成本,高效率著称的法院调解制度是消除诉讼迟延、约诉讼资源、实现公平正义的剂良。