重點講解：
1. state-of-the-art
使用最先進(jìn)技術(shù)的；體現(xiàn)最高水平的；
eg. Many state-of-the-art computer-vision systems work along similar lines.
許多最先進(jìn)的計算機視覺系統(tǒng)都以相似的方式工作。
eg. A new study employing state-of-the-art brain-scanning technology says that the answer may be yes.
一項使用了最先進(jìn)的腦部掃描技術(shù)的新研究表明，答案也許是肯定的。
2. speak for
代表…講話；充當(dāng)…的代言人；
eg. I speak for all 7,000 members of our organization.
我代表本組織的 7，000 名成員發(fā)言。
eg. Obviously I can't speak for other people, but certainly no one I know would entertain the idea.
我顯然不能代表其他人的意見，可是我認(rèn)識的人當(dāng)中肯定沒有人會有這樣的想法。
3. something of
有點兒；有幾分；
eg. The city proved to be something of a disappointment.
結(jié)果這座城市有點兒令人失望。
eg. She received something of a surprise when Robert said that he was coming to New York.
當(dāng)羅伯特說他就要來紐約的時候，她有點吃驚。