直到最近它还与质量挑战作斗争。
特别是，软件工程中的质量正在面临挑战，因为它极其难以度量。
Quality in software engineering is especially challenging because it is so difficult to measure
质量技能：良好的体质，能在压力下工作，并愿意面对挑战。
QUALITY SKILLS: Good physical constitution, can work under pressure and prefer to facing challenge.
中国室内环境质量的独特挑战是什么？
威士忌生产商表示，将挑战有关其质量问题的任何指控。
The whisky producer said it would challenge any accusations about its quality.
威士忌生产商表示，将挑战有关其质量问题的任何指控。
The whisky producer said it would challenge any accusations about its quality.
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