When and how will China submit its document for Intended Nationally Determined Contributions regarding climate change?

请问中方什么时候以什么方式发表有关气候变化的自主贡献文件？

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We encourage parties that are ready to communicate their intended nationally determined contributions well in advance of COP21 (by the first quarter of 2015 for those parties ready to do so).

我们对有关缔约方准备在公约缔约方第21次会议之前（如准备好，可在2015年第一季度之前）通报国家自主决定的贡献表示鼓励。

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