求翻译：为什么以前温州人的兴趣都在办厂经商做买卖上，而到了这几年，很多人兴趣大变，都将放高利贷、炒楼这些投机手段当成了主业？是什么意思？

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Why previously Wenzhou people's interest in building a factory on their trading business to do, but in the past few years, a lot of people have changed all that interest will be usurious, speculation these speculative instruments as the main industry?

Why does beforehand native of Wenzhou's interest all in manage the factory to do business does business on, but arrived these years, the very many human of interest big change, will all lend money at high interest, fries building these congenial methods to regard as the principal work?

Why Wenzhou people's interest in the factory before doing business on the business, while in the past few years, a lot of people interested in change, loansharking and property speculation in these tools as a core business?

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