be very economical

常见例句

双语例句

• Instead of heating up the universe, use it yourself, which could be very economical.
  不是消耗在环境中，而是被自己所用，这是非常经济的。
• Macao's transportation can be very economical, but you need to spend some times for waiting.
  澳门的交通可以很省钱，只是要花点时间等巴士。
• Even if it meant subsidizing the taxis and public systems. It could, very well, be more economical than catering for the ever-increasing number of cars.
  即使这意味着要对公共交通以及出租车进行补贴，那也比为了满足日益增长的汽车数量而去修建道路与配套设施要划算。

权威例句

• This option can be very economical because charter rates are competitive.
  FORBES: What's the Best Jet for You? (Part 2)
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