og 11

zjqadele

1-

我不理解为什么residents (ppl) 可以对应part of a xxx culture.
谁可以解释一下？

The original sentence is correct.

Native American burial sites dating back 5，000 years indicate that theresidents of Maine at that time were part of a widespread culture of Algonquian-speakingpeople.

2-
为什么the rising of costs不对，而应该用the rising cost呢？

The rising of costs of data-processingoperations at many financial institutions has created a growing opportunity forindependent companies to provide these services more efficiently and at lowercost．

qingbo

当然了

增长的是 成本cost，不是rising这个动作啊