例句與造句

1. with the ever increasing energy needs, how to effective and rational utilization energy source have already become a problem people stringency concerned
   隨著人們對(duì)能源需求的日益增加，如何高效、合理利用能源已成為人們迫切關(guān)心的問題。
2. It's difficult to find utilization energy in a sentence. 用utilization energy造句挺難的