送交者: eng 于 2006-07-18, 11:32:49:

回答: Easy, only selected the first 100 people you could remember 由 blackbox 于 2006-07-18, 10:51:30:

• you are right, the conclusion from such survey could be bias (无内容) - blackbox (0 bytes) 2006-07-18, 11:43:42 (94650)
  • test - blackbox (72 bytes) 2006-07-18, 12:25:05 (94661)
    • hope works or give up - blackbox (140 bytes) 2006-07-18, 12:38:29 (94664)

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