1.Less than one in five of the 698 questioned in the survey were confident that Hong Kong's gradutes possessed sufficient and relevant skills across a range of categories and they rated gradutes from North America and Europe, and to a lesser extent Australia, as superior in most areas of skills and attitudes measured in the poll.
2.Yu said that, of the 911 cases reported late last year, 209 cases, or 23 percent, were from Kwun Tong.
- tsuntsunlamLv 71 十年前最愛解答
第一句的 to 是用在片語 to a lesser extent (解作：如此…以致於) 。
第二句的 of 是用在片語 of ...(something as a whole)... ，意思是「某種事物之中的…」的「之中」，文章所指是「去年那911宗個案之中…」