"The monarch butterfly valleys of Mexico have only one species of milkweed butterfly, and Americans have been carrying out research on them for 70 years, whereas we have more than ten species and have only been researching them for six years," says Chan Chia-lung.
「墨西哥的帝王蝶谷只有單一種大樺斑蝶，美國就已經研究了 70 年，而我們的紫蝶谷有十幾種，目前還只研究了 6 年。」