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解釋：大部分鳥類都是雄性的，而雌鴿卻是雌性的，說明了鳥類性別的特殊性。

The great virtue of the novel is that it makes you see, it makes you feel, it makes you know.

The only constant in life is change.

"I can resist everything except temptation."

Be civil to all; sociable to many; familiar with few; friend to one; enemy to none.

生活中最大的榮耀不在于從不跌倒，而在于每次跌倒后都能站起來。