政治家在多大程度上代表普通人的观点？

___How ___far do politicians represent the views of ordinary people?

我们的成长环境在多大程度上影响未来的成功？

___How ___far does our upbringing influence our future success?

研究人员正在调查这些理论在现实世界场景中适用的程度。

Researchers are investigating ___how ___far these theories apply in real-world scenarios.