The true and false judgment of Cheng and Gao edition's back forty chapters as well as its artistic value are the pending problems in "Red" study.

程高本后四十回之真伪与艺术上之得失，是红学研究的一大积案。

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Lao Pan's new book includes his forty-seven letters to his family back in America.

老潘的新书包含47封写给在美国的家人的信。

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"Ms. Mo made forty or fifty yuan a month back then, so a 0.05-yuan ticket may not be a big deal for her. But for me, it moved me deeply," said 63-year-old Shao.

“那时候莫老师一个月能挣四五十元，所以0.05元的票对她来说可能没什么大不了的。但对我来说，它深深地打动了我，”63岁的邵说。

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Leeuwenhoek wrote back: "Find a diamond of one hundred and forty carats.

VOA: special.2009.07.18

All of this the New Criticism had a great deal to do with-- and when I talk next time about the way in which it's been vilified for the last forty or fifty years, naturally I will have this in the back of my mind.

这些都跟新批评派有关-,等我下次再说到这个,在四五十年前饱受诋毁的文学鉴赏方式的时候，我还会想起今天所说的话。

耶鲁公开课 - 文学理论导论课程节选

Back in the 1840s, life insurance was very important because the average expectancy of life was only something like forty-five years, so that meant parents were dying left and right.

在19世纪40年代的时候,寿险是非常重要的,因为当时的人均期望寿命,仅为45岁左右,这意味着双亲平均只能活到45岁

耶鲁公开课 - 金融市场课程节选

Once, long, long ago, almost forty years back, he passed through Ravenna and sent me a postcard of one of these famous mosaics.

NEWYORKER: See the Other Side

Our data, good data, goes back quite a bit longer than forty or so years.

FORBES: Antarctic Temperatures Are Rising Twice As Fast As Previously Predicted

Forty-two percent back handling the case in civilian court.

CNN: Most say Obama can handle terror threat, poll finds