| 1 | So, if magnesium is so abundant, why is it so expensive? | |
| 2 | Apple is at risk of losing rich Chinese in the future. | |
| 3 | After a long drive, they are in the rich green forest. | |
| 4 | Chinese people are working hard to make the country richer and more beautiful. | |
| 5 | But the dream of a bountiful West Coast urged the Joads onward. |