And cigarette smoking increases the risk of Alzheimer's by more than 150 percent, possibly because of the type-2 alkenes in tobacco smoke.
二手烟将罹患阿尔兹·海默症的风险提高1.5倍，很可能是因为烟草中含有2型烯烃。
It's a similar story with air-express and international shipments, with 6.9 percent base rate increases and 2 percent cuts in fuel surcharges.
同样的事情还出现在空运已经国际货运，基本价格上升百分之6.9，百分之2是抵减燃油附加费的。
It's a similar story with air-express and international shipments, with 6.9 percent base rate increases and 2 percent cuts in fuel surcharges.
同样的事情还出现在空运已经国际货运，基本价格上升百分之6.9，百分之2是抵减燃油附加费的。
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