After China’s accession to WTO, we should make good use of "Green Box" policy to improve domestic support for cotton production.5.
4、利用“绿箱”政策，强化国内支持措施。
参考来源 - 中国棉花产区比较优势研究
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Green box
abstract:In Phreaking, the green box was a device whose function was to manipulate the coin collection mechanism of payphones. It employed three of the MF (multi-frequency) tones used in the blue box and could be viewed as a subset of that device.