The landscape Professional Practice class in the University of Pennsylvania is certainly unique. And should it be called something else? Probably.

宾夕法尼亚大学景观设计专业的职业实践课既然如此特别，那它该不该有改名？

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And his weakness with working-class white voters suggests he may have problems holding onto states such as Pennsylvania.

然然而，鉴于他在争取白人劳工阶层选民方面的弱势，要留住宾夕法尼亚可能会有难度。

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While you are in Pennsylvania, consider taking a class at the Philly Beer School.

BBC: A craft beer road trip in America��s northeast

The gain on the sale of the building is a different class of income under Pennsylvania law.

FORBES: The Tax Shelter from Hell - U.S. Steel Tower in Pittsburgh

The campaign is saying, look, the types of voters who are supporting Hillary Clinton in Pennsylvania, less affluent, working-class Democrats are crucial to the party because they're the kinds of voters who have gone over to the Republican side in past election.

NPR: Clinton Confident on Eve of Pa. Primary