He's so good at talking about the sexes, he often appears on radio or TV programs and has been invited to lecture so often that he simply made tapes for wider circulation.
他因擅談兩性問題，常出現在廣播、電視節目中，在不堪演講邀約過多的情況下，索性將演講製成錄音帶，以廣流傳。