There are 27 words or “pigeons” that can start with one of the 26 different English letters or “pigeonholes. ” By the pigeonhole principle, two of the words must start with the same letter.
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不管怎样,我开始研究,开始主要是想依靠英文资料寻找中美合作所涉足渣滓洞和白公馆两所监狱的证据。
Nonetheless I began to research, at first aimed at finding evidence of SACO's involvement in the Refuse Pit and Bai Mansion prisons, depending mainly on English resources.
There are 27 words or "pigeons" that can start with one of the 26 different English letters or "pigeonholes. " By the pigeonhole principle, two of the words must start with the same letter.