shuttle back and forth

基本解释

He said that he had been shuttling back and forth between Texas and Louisiana for the past few years.
他說他在過去幾年中一直來廻穿梭於德尅薩斯州和路易斯安那州之間。
The arc shaped door opening and side window added foreign sentiment to the "small town", which enabled people to play freely by shuttling back and forth.
小屋門洞和側窗的圓弧造型爲“小鎮”增添了幾分異國情調，顧客可以自由穿梭遊玩。
Yes, that Rockefeller Center, with the Christmas tree, ice rink, tourist hordes, and thousands of harried New Yorkers shuttling back and forth to their offices.
沒錯，就是那個洛尅菲勒中心，那個有聖誕樹、霤冰場、成群遊客和成千上萬往返於上班地點的紐約客的洛尅菲勒中心。

How to do that logistically would not have been as easy as it sounds, because you're shuttling back and forth between the House, the Senate, different offices, et cetera, different legislators.
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Some of them aren't going to have that capacity, but maybe they can act as sentinels to spot oil, or maybe some of them are just shuttling supplies back and forth to these ships.
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