The challenge for psychiatry is to shift its paradigmand stop thinking of itself as a field that only treats thesick, but begins to think in terms of a public-health model.

精神病学面对的挑战是转变范式，停止把自身看作仅是治疗患者的领域，而是开始考虑公共健康模式（可能就是指生物医学模式——译者注）。

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While aurora are generally only visible close to the poles, severe magnetic storms impacting the Earth’s magnetic field can shift them towards the equator.

虽然极光一般仅在两极附近可见，不过在强烈的磁暴对地球磁场的影响下，极光也会在赤道附近出现。

youdao

While aurora are generally only visible close to the poles, severe magnetic storms impacting the Earth's magnetic field can shift them towards the equator.

虽然极光一般仅在两极附近可见，不过在强烈的磁暴对地球磁场的影响下，极光也会在赤道附近出现。

youdao

The study detects a shift from field crops towards higher-value horticulture and livestock farming.

ECONOMIST: South African farming

The list of technologies which have allowed competitors to shift the playing field is very long.

FORBES: Throw that slide rule away! Use Facebook, iPhone, iPad, Groupon tools!

Just as dramatic is the shift on the field of play itself, where some of the youngest players in the league have become the most important.

WSJ: In the NFL, Power Shifts to the Players