efficient

1.To minimize your itinerary can help you plan an efficient business trip。2.Brick is thermally efficient building material （） it is also cheap.3.Freight trains are very efficient, with economy of scale and high energy efficiency.4.The related information can help you to operate the machine (efficient)（）.5.Dressing in the latest fashion trends may give you the fame of being efficient.6.Homophonic puns are serving not only as a way to conceptualize the world, but also as an efficient device to spread knowledge.7.Resorting to bar charts is an efficient way to show lots of numbers or percentages that would be very confusing in sentence form8.Beijing Capital International Airport uses wireless digital trunked communication system to ensure the efficient and smooth oper9.The following can help you plan an efficient business trip except ____.