His asthma attacks have become less frequent, from once every three or four months to only about twice a year.

他的哮喘发作次数越来越少，从以前每三、四个月一次，减少到一年仅约两次。

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Britain's economy grew by 0.8% between July and September from the previous three months (or 2.8% compared with a year earlier), twice the rate that had been forecast by most economists.

7至9月份三个月，英国经济较前一季度上升了0.8%(比前一年同期增长2.8%)，增长幅度为多数经济学家预计的2倍。

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In the three months before Christmas it sold 16.2m iPhones, almost twice as many as a year earlier, and 7.3m iPads, around 20% more than had been expected. Sales of iPods were 7% lower, at 19.5m.

在圣诞节前的3个月中，公司共售出iPhone1620万部，约是一年前的两倍；售出iPad730万台，超出预计销量约20%；售出iPod1950万个，同比下降7%。

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After scoring miserably on the LSAT exam twice and deciding to forgo law school, she spent a nightmarish three months on a moving walkway at Disney World, wearing Mickey Mouse ears and guiding customers onto an Epcot Center ride.

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Moore is back after three months at Basingstoke Town, where he was sent off twice during his 10-game spell.

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Physicians from high-cost cities typically recommended that patients with well-controlled hypertension see them in the office every one to three months, while those from low-cost cities recommended visits twice yearly.

NEWYORKER: The Cost Conundrum