这项研究依赖经验证据来支持其主张。

The research relies on ___empirical evidence to support its claims.

然而，经验证据证实了食物在一个国家文化中的重要性。

Nevertheless, ___empirical evidence confirms the importance of food in a country's culture.

在科学中，经验观察对形成假设至关重要。

In science, ___empirical observations are crucial for forming hypotheses.