It is a lot to ask of young people today, who so rarely come in direct contact with plants in a natural setting, to be able to memorise the appearance and names of various plants, and especially grasses. Don't they all look very similar?
大概很難要求已經很少用到野生植物的年輕孩子，能記住每種植物樣貌、名字，何況野生植物、特別是草本植物，看來不都很相似？