1.demand for 需求

例句:Surging imports will add to the demand for hard currency.
进口激增将增加对硬通货的需求XBv%YvU[!XA。

2.energy supply 能源供应
例句:Energy supply and energy safety have been regarded as important themes inglobal development.
能源供给和能源安全已成为人类社会和全球发展的重要话题(F;K#US,yi_L;y9QU。

3.hot topic 热门话题

例句:Employee's job performance is always an important and hot topic in appliedpsychology.
员工的工作绩效是管理心理学应用和研究关注的一个重要问题1~[^+TM=a])@|=0%%;v。

4.not only 不仅

例句:Air not only occupies space but it also has weight.
空气不仅占据空间，而且它还具有重量WR#AP]MNeEpEZ44P.zf。