Now the nation's top patent court appears completely ready to scale back on business-method patents, which have been controversial ever since they were first authorized 10 years ago.
现在，这个国家最高级别的专利法院似乎已完全准备削减商业方法专利，这类专利自十年前首次被授权以来就一直存在争议。
The world art market had already been losing momentum for a while after rising bewilderingly since 2003.
在2003年以来艺术市场迅速上涨之后，世界艺术市场已经有一段时间失去了动力。
Since then it may have come down to $50 billion.
但从那以后，其价值可能已降至500亿美元。
The current downturn in the art market is the worst since the Japanese stopped buying Impressionists at the end of 1989.
目前艺术市场的低迷是自1989年底日本停止购买印象派作品以来最严重的一次。
The decision of the New York Philharmonic to hire Alan Gilbert as its next music director has been the talk of the classical-music world ever since the sudden announcement of his appointment in 2009.
纽约爱乐乐团决定聘请艾伦·吉尔伯特担任下一任音乐总监，自从2009年突然宣布这一任命以来，这一决定一直是古典音乐界议论的焦点。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。