For professional footballers, injuries are an occupational hazard.
对于职业足球运动员来说,受伤是职业本身带来的危险。
The serious investor needs a proper 'portfolio' --a well-planned selection of investments, with a definite structure and a clear aim.
认真的投资者需要一份正规的投资组合表一种计划很周密的投资选择,包括你的投资结构和明确的目标。