A basic, ad-supported service is free; the upgraded version, with no ads and higher-quality audio, is $36 a year.
有广告的基本服务是免费的，升级后的版本没有广告，而且有更高质量的声音效果，三十六美元一年。
A basic, ad-supported service is free; the upgraded version, with no ads and higher-quality audio, is $36 a year.
有广告的基本服务是免费的，升级后的版本没有广告，而且有更高质量的声音效果，三十六美元一年。
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