至於客戶，他們不僅幫助了大自然，還可以與喜歡的明星/KOL一起參與活動

至於客戶，他們不僅幫助了大自然，還可以與喜歡的明星/KOL一起參與活動，並且可以優惠的價格購買到產品。

結果 (英文) 1:

As for customers, they not only help nature, can also participate in activities with like a star / KOL, and at discounted prices to buy the product.

結果 (英文) 2:

As for customers, they not only help nature, but also participate in activities with their favorite stars/KOL, and can buy products at a discounted price.

結果 (英文) 3:

To customers, they not only help nature, but also participate in activities with their favorite stars / KOL, and can buy products at preferential prices.