進一步探究地區差異，可發現北部較注重產品功能、功效與認證機構；南部則因

進一步探究地區差異，可發現北部較注重產品功能、功效與認證機構；南部則因空氣與水質較差，多肯定廠商推出個人化服務滿足消費者需求。

結果 (英文) 1:

Further explore regional differences can be found in the northern part of the more focus on product features, efficacy and certification bodies; the south due to poor air and water quality, multi sure vendors have introduced personalized services to meet consumer demand.

結果 (英文) 2:

Further exploration of regional differences, we can find that the north pays more attention to product function, efficacy and certification bodies, while the south due to poor air and water quality, more sure manufacturers to introduce personalized services to meet consumer demand.

結果 (英文) 3:

Further exploration of regional differences shows that the North pays more attention to product functions, efficacy and certification agencies; the south, due to poor air and water quality, is more certain that manufacturers will launch personalized services to meet consumer needs.