名词
中文翻译：稳定等级
同义词：
['stable grade', "stable level例句：1. The company's performance has been steadily improving over the past year.（公司过去一年的表现稳步提升。）"]
例句：
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1. The company's performance has been steadily improving over the past year.
公司过去一年的表现稳步提升。
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2. The new policy aims to stabilize the market by reducing taxes on luxury goods.
新政策旨在通过降低奢侈品税收来稳定市场。
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3. The team achieved a stable grade in the final exams despite facing challenges.
尽管面临挑战，该团队在期末考试中取得了稳定的成绩。