The food needed to retain its quality for a long period of time.
食物需要保留其质量为一段很长的时间。
Even after a long time use, the quality still is reliable.
即使经过长时间使用，品质也始终可靠可信赖。
Felicity's been doing quality work for a long, long time.
很长，很长一段时间以来，费丽西蒂一直都做得非常出色。
Felicity's been doing quality work for a long, long time.
很长，很长一段时间以来，费丽西蒂一直都做得非常出色。
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