The cost in loss to biodiversity and human well-being due to invasive alien species, including alien mammals, birds, reptiles, amphibians, fishes, crabs, molluscs, insects, echinoderms, terrestrial and water weeds, seaweeds and a vast array of plant and animal infectious and zoonotic diseases, is difficult to measure.
怪不得 你 拿到 美式 足球?? 学 金UN-2 UN-2