ongoing customer service
持续的客户服务
以上为机器翻译结果，长、整句建议使用 人工翻译 。
So, too was the experience for Delta Flight 186 on July 26, which also highlights airlines' and the FAA's ongoing inefficiency in balancing delays, work rules and customer service when storms strike.
WSJ: Flight Nightmares Overshadow Airlines�� Improving Record
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