【評論主題】34. The increased carbon dioxide is probably not a threat to health, _____ it profoundly affects the

【評論內容】

因為前後語句是轉折語氣，所以用but

【評論主題】34. The increased carbon dioxide is probably not a threat to health, _____ it profoundly affects the

【評論內容】

因為前後語句是轉折語氣，所以用but

【評論主題】34. The increased carbon dioxide is probably not a threat to health, _____ it profoundly affects the

【評論內容】

因為前後語句是轉折語氣，所以用but