以英语例句的形式说明：如何指出当前研究的不足以及有目的地引导出自己的研究的重要性？至少提供3个例句。

Despite the extensive research on the effects of social media on mental health, there is a lack of studies that investigate the influence of different types of social media platforms on specific mental health conditions. Therefore, this study aims to fill this gap by examining the relationship between Instagram use and body dissatisfaction among young women.

Previous studies have focused on the effectiveness of cognitive-behavioral therapy (CBT) in treating depression, but there is limited research on the long-term outcomes of CBT and its impact on relapse prevention. Thus, this study seeks to address this gap by investigating the maintenance of treatment gains and the effectiveness of booster sessions in preventing depressive relapse.

While there have been many studies on the impact of climate change on agricultural production, there is a need for research that specifically focuses on the effects of climate change on small-scale farmers in developing countries. This study aims to contribute to this area of research by examining how climate change impacts the livelihoods of small-scale farmers in sub-Saharan Africa and identifying potential adaptation strategies