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Sales are almost impossible in the absence of good technical support.
没有良好的技术支持，销售几乎不可能有进展。
youdao
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With good after-sales service and technical support.
拥有良好的售后服务和技术支持。
youdao
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With good after-sales service and technical support.
拥有良好的售后服务和技术支持。
youdao