漁夫所使用的魚網是傷害鯨魚的主要來源，而水汙染則是另一種威脅

漁夫所使用的魚網是傷害鯨魚的主要來源，而水汙染則是另一種威脅

結果 (英文) 1:

Fishing nets used by fishermen are the main source of harm to whales, and water pollution is another threat

結果 (英文) 2:

The nets used by fishermen are a major source of damage to whales, while water pollution is another threat

結果 (英文) 3:

Fishnets used by fishermen are the main source of harm to whales, while water pollution is another threat