What do you mean by "as rich as oil"?

Interpretation: describe being particularly rich.

Athena Chu: Federyo

Make sentences:

1. I didn't expect this backcountry to be rich now.

This once rich factory is now in decline.

3. What about Jack? Although Edward played by Nicholson is a rich and powerful man, he only lives in his own world and is indifferent to anything.

4. From the outside world, Guangdong, the largest economic province in China, is also crying for poverty.

5. Incentives are first and foremost institutional issues. Enterprises without responsibility system have no motivation at all. Without the responsibility system, the temple of an enterprise may be penniless, but the operator may be rich. Only when the responsibility system is established will there be honor and disgrace.

6. As Xuzhou was not affected by the Yellow Scarf Uprising, its economic foundation remained relatively complete. Compared with other places where people's livelihood is depressed, Xuzhou can be described as rich as oil.

7. Twenty years ago, the imperial court felt that domestic troubles and foreign invasion were getting more and more serious, people's livelihood was languishing, and the national treasury was getting weaker and weaker, but the local chieftain was rich.