遗传在决定偏侧性方面起到了一定作用，但环境因素（对偏侧性）也有影响。
Genetics plays a part in determining lateralisation, but environmental factors have an impact too.
坚决不提倡大规模的预防性化疗，因为对霍乱的传播没有影响，可通过加强抗生素耐药性产生不良作用，并提供了虚假的安全感。
Mass chemoprophylaxis is strongly discouraged, as it has no effect on the spread of cholera, can have adverse effects by increasing antimicrobial resistance and provides a false sense of security.
当然有影响的人物、金钱和天生的能力对实现目标和梦想是重要的，但归根究底还是自制力在起作用。
Sure there might be a place for influential contacts, money and natural ability but in the end it comes down to discipline.
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