Americans borrowed this saying. And, over the years, it has become a popular way of expressing sadness.

美国人借用了这种表达。多年来，它已成为一个表达悲伤的流行方式。

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The evaluators classified the 80 letters as' suicide 'or' no suicide 'in an intention-to-treat analysis. Letters expressing sadness were subsequently excluded for a per-protocol analysis.

评估者将80封信分为“自杀”和“没自杀”两组，内容表达悲伤的信件将被剔除。

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I. Write a love Letter expressing your feelings of anger, sadness, fear, regret, and love.

写一封表达你的气愤、伤心、害怕、后悔和爱的感觉的情书。

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And,over the years, it has become a popular way of expressing sadness.

VOA: special.2009.10.25

Expressing sadness and shock over Jackson's death, Ng recalled being inspired by an interview he once gave to Oprah Winfrey.

CNN: Michael Jackson: The world pays tribute to King of Pop

President Carter wrote to then prime minister Margaret Thatcher expressing his "profound sadness" at the "tragic death" of the 79-year-old earl.

BBC: Files show US-UK tensions over Northern Ireland in 1979

The attacks sparked strong international condemnation, with US President Barack Obama expressing his condolences and offering support, while Britain's Queen Elizabeth also spoke of her shock and sadness in a letter to King Harald.

BBC: Norway suspect Anders Behring Breivik 'admits attacks'