DO YOU REMEMBER VOCABULARY FROM THE TEXT ABOUT TWO KINDS OF QUALITY? Find words and expressions in the text with the following meanings.

1. for something (one word) - sudden and widespread enthusiasm for something, often short-lived.

2.  on something (two words) - stay informed about the latest developments in a particular area.

3.  (one word) - difficult to find, catch, or achieve.

4.  (one word) - a promise or pledge to do something or support a cause.

5.  (three words) - fail to appreciate the value of someone or something.

6.  (one word) - a person's child or children.

7.  (one word)  - imperfections or weaknesses in something.

8.  (one word) - a fashion or trend that is popular for a short period of time.

9.  (two words) - a factor that gives a company an edge over its competitors.