Flies and other insects may transport diseases and the garbage becomes a source of possible disease that can attack man.
苍蝇和其他害虫会传播疾病，垃圾就成为可能袭击人类的疾病的根源。
2
High levels of cholesterol in the blood create a risk for heart disease, because the molecules that transport cholesterol can damage arteries and cause blockages.
血液中高胆固醇是心脏疾病的高危致病因素，因为这种转运胆固醇的分子会损害动脉并且引起阻塞。
3
The study has implications for research into subjects like diseasetransport by animals, since patterns of movement may affect to what extent pathogens are passed along.