81.  It is obviously that the boundaries among different groups and races are the natural fitness, because they are the products of the natural evolution and form through thousands of years.

82.  A nation always fells into decay no matter how many years it has been prosperous for, because there is no opponent.

83.  Maybe someone may say that we should get used to these boundaries since they have accompanied us for so many years.

84.  Just imagine, if you lived in your small house for years; and one day you realized there were other people outside your enclosure, would you demolish the enclosure and go out?

85.  After years of hard work, my dream finally comes true.

86.  Meanwhile, Gussie had lost her husband many years ago.

87.  For students who wants to go further study in the US, they only have one or two years to prepare for the whole application.

88.  Gussie Lee , who had grown up around Spur but had moved to Sacramento , Calif. many years before, had lost her husband.

89.  The writer was worrying about Clyde all the time until he discovered that Clyde made a new friend, Gussie Lee, who had lost her husband for many years, from Sacramento.

90.  Gussie lost her husband many years ago.