雅思写作中的转折句可以通过以下几种方式构建：

1. 使用"In view of the above-mentioned negative factors/disadvantage（s）/defects in A, people's second thought is to..."句型。例如：

In view of the above-mentioned negative factors in raising the output, our second thought is to improve the quality of products.

2. 使用"To counter/offset/counteract/cancel undesirable/side/ill effects/influence/results of A, B is put forward/proposed/advanced as another better course/solution to..."句型。例如：

To counter the undesirable effects of rigid administration, emotional investment is advanced as another better course to success in business.

3. 使用"Although/Though..., but..."句型。例如：

Although technological advancements have brought about numerous conveniences, we must also be aware of their potential negative impacts.

4. 使用"In spite of...,"句型。例如：

In spite of facing numerous challenges, he still persists in his dream.

5. 使用"However..."句型。例如：

Many people believe that reading is beneficial； however, they do not have enough time to read.

6. 使用"Nonetheless/Nevertheless..."句型。例如：

Despite如此， we still need to strive to find a solution.

7. 使用"Surprisingly, however..."句型。例如：

Surprisingly, however, the majority of people still prefer to use traditional methods over modern technology.

在构建转折句时，要注意句子的连贯性和逻辑性，确保转折关系明确且自然。同时，尽量使用高级词汇和复杂句型，以提升文章的整体质量。