本研究選擇70家個案乃基於以下三點原因：

本研究選擇70家個案乃基於以下三點原因：

Kết quả (Anh) 1:

In this study, 70 cases are based on the following three reasons:

Kết quả (Anh) 2:

This study found 70 cases based on the following three reasons:

Kết quả (Anh) 3:

There are three reasons for choosing 70 cases in this study: