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Meanwhile, the number of annual visitors has increased by more than 50% since 1980, and now stands at 330 million visitors per year.

与此同时，自1980年以来，年游客量增长了50%以上，目前已达每年3.3亿人次。

Ten minutes of activity per day is a good start, says Marcus Jackovitz, DPT, a physical therapist at the University of Miami Hospital.

迈阿密大学医院的物理治疗师、物理治疗博士马库斯·贾科维茨说，每天活动十分钟是一个良好的开端。

These pauses typically occur at about three per second, and the eyes then jump to another spot, until several important points in the image are registered like a series of snapshots.

这种停顿通常每秒发生约三次，然后眼睛跳到另一个点，直到图像中的几个重要点像一系列快照一样被记录下来。

Most of the money would come from a penny-per-letter permanent rate increase and from shifting postal retirees into Medicare.

这笔钱大部分将来自每封信永久性涨价一美分，以及将邮政退休人员转入联邦医疗保险。

That common-sense change enjoys wide public support and would save the USPS $2 billion per year.

这项合乎常理的改变得到了公众的广泛支持，每年可为美国邮政署节省20亿美元。

But the Nobel Foundation’s limit of three recipients per prize, each of whom must still be living, has long been outgrown by the collaborative nature of modern research — as will be demonstrated by the inevitable row over who is ignored when it comes to acknowledging the discovery of the Higgs boson.

而诺贝尔基金会每个奖项最多三名获奖者且获奖者必须在世的限制，早已不适应现代研究的协作性质——在表彰希格斯玻色子的发现时，围绕谁被忽略而必然产生的争吵就将证明这一点。