Chris Von Der Ahe started the American tradition of eating hot dogs at baseball parks, making hot dogs more popular.

克里斯·冯·德阿赫开创了在棒球场吃热狗的美国传统，使得热狗更受欢迎了。

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That's more than all the MLB baseball parks combined sell in an entire season.

那比所有MLB棒球场一整个赛季加起来都要多。

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But gulls can live up to 25 years and with an endless food source at nearby landfills and baseball parks, she says there's only so much they can do.

但是，海鸥的寿命一般可以长达25年，加上附近的垃圾填埋场和棒球场里，有无穷的食物来源，她说，他们可以做的也就只有这么多了。

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While most baseball parks are up to speed, there's plenty of market left in the NFL and NBA, where only a handful of venues have made the switch.

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Meanwhile, volunteers have stepped in to help rebuild a group of baseball parks just in time for the spring season, and the town's three major industries have also vowed to rebuild and remain.

ECONOMIST: Dumas fends for itself

Other possible causes include hitters muscling themselves up as never before during the off-season, the creation of smaller baseball parks and a general decline in the quality of pitching (every time there is an expansion of the leagues, the theory goes, the pitching talent pool is stretched thin, and batters have a field day, so to speak).

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