She vacillated so long about attending the concert that when she decided to go, the tickets were sold out.
她为是否去听音乐会踌躇
很久，当她决定去时，票已售
。
She vacillated so long about attending the concert that when she decided to go, the tickets were sold out.
她为是否去听音乐会踌躇很久，当她决定去时，票已售 。
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