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It is easy to do a good deed once, it is difficult to do good deeds all one’s life.

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Einsteinis famous for E=mc²; Edison is famous for the invention of the light bulb.

All over thecountry, people sell products over the Internet, these people are making impressive profits.

It is reported that graduate students’ salaries are not as high as expected, some cannot earn as much as university students.

Mother’s Day is always on a Sunday Thanksgiving is always on a Thursday.

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