Alcohol affects the brain, making speech slurred and imprecise.酒精影响大脑,使言语含糊不清。Federal laws have almost no effect on the crime problem that concerns most people - crime on the streets.联邦法对影响大多数人的街头犯罪问题几乎没有效力。Is our character affected more by nature or by nurture? 我们的性格受先天影响大还是后天影响大?