2. 阅读下列句子，讨论斜体词汇的特点。
(1) It is reported that the unemployment rate in this country has reached 7 percent. (2) Of course, global sales do not mean global brands, as many enterprise leaders point out. (3) “I believe that as this century unfolds and people look back on this day, they will conclude that in admitting China to the WTO we took a decisive step in strengthening the global economic trading system,” U.S. Trade Representative Robert Zoellick told the meeting.