For all its modern features, the challenges facing RockMelt, which is inviting users to try a test version on Monday, are enormous.

由于它的所有现代特征，岩融面临着邀请用户周一使用测试版本的巨大挑战。

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MONDAY, March 28 (HealthDay News) — Social media Web sites, such as Facebook and Twitter, have become nearly inescapable facets of modern life, particularly for kids.

3月28日一星期一(每日健康新闻)——社会媒体网站如Facebookand Twitter已经成为现代生活的方方面面几乎不可避免的一部分特别是对孩子来说。

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The previous coldest Easter day since modern records began in 1960 was Easter Monday in 1986, which dipped to -9.8C, the Met Office said.

BBC: Coldest Easter Sunday on record, Met Office confirms

Also buried on Monday was Noel Nicola, one of the founders of modern Cuban trova music, who died at the weekend aged 58.

BBC: Ferrer was buried in a simple black coffin

Monday marks the 83rd anniversary of the onset of the worst economic collapse in the history of the modern world: the Great Depression.

FORBES: On Its 83rd Anniversary, Lessons From The Great Depression