Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.

因此，使用替代燃料和提高能源效率既是生态需要，也是技术挑战。

youdao

My favorite part of the day was meeting the school cook and improving the school menus for the week.

一天中我最喜欢的部分是和学校厨师见面，改进学校一周的菜单。

youdao

Apart from the specific trends highlighted above, which cause some investors to worry, the report portrays an overall optimism bore by the recent healthy real-estate "upcycle" and improving economy.

除了上述导致投资者担忧的特定趋势外，该报告还描绘了近期房地产市场的健康“上升周期”，经济形势好转，由此带来了整体乐观态势。

youdao

Soon after his building was finished, builders in Chicago and New York City began copying and improving on the idea of building up.

VOA: special.2010.03.31

They knew the techniques for grafting and improving, and domesticating species of grapes and olives particularly.

他们知道植物嫁接和改良的工艺,和为葡萄和橄榄培育良种的技术

耶鲁公开课 - 古希腊历史简介课程节选

who're interested, (a) in improving their own Spanish- speaking skills, and (b) helping out the community.

如果他们对这个活动感兴趣，想要提高自己的西班牙语水平，同时愿意为社区尽一份力，

帮助多文化的家庭 - SpeakingMax英语口语达人

The new company set up better operational strategies, laying emphasis on quality and improving its packaging.

FORBES: Kenyan Entrepreneur Stands To Make Millions After Sale To L'Oreal

On a personal level, it could mean increasing entrepreneurialism and improving education and job skills.

FORBES: New Survey Calls Government Broadband Goals Wimpy

Alemany was tasked with making the two organizations work together and improving relations with U.K. regulators.

FORBES: Weathering The Economic Storm