Keeping your customers

1 When gasoline prices are low, drivers have no incentive to leave their cars at home and take public transportation.

2 Some investors shrewdly bought property when prices were very low.

3 It is important to set goals that are attainable; otherwise, you will just get discouraged.

4 There is an ongoing debate in this country about the role of education in economic success.

5 We have lived in this house for more than thirty years, so we have accumulated a lot of possessions.

6 The university's student retention rate has improved in the past ten years—almost 80% of students who start here graduate from here.

7 He was a pioneer in bioengineering, publishing one of the earliest studies in the field.

8 After one company started to offer free shipping to its customers, other companies soon followed suit.