assured quality of service you
... not writing, is finally get up the courage to write this letter to you 质量服务你放心 » Assured quality of service you 不屈不挠 » adj. (Trad=不屈不挠, Pinyin=bu4 qu1 bu4 nao2) unyielding, not giving up; indomitable .
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assured quality of service you
保证质量为您服务
以上为机器翻译结果，长、整句建议使用 人工翻译 。