英国的一项研究将这些发现向前推进了一步，要求受试者完成一项创造性挑战（即列出家居用品的其他用途）。
A British study took these findings one step further, asking subjects to complete a creative challenge (coming up with a list of alternative uses for a household item) .
这便要求各缔约国有义务单独或通过国际援助和合作，最大限度使用现有资源，尽可能迅速有效的向前推进。
This imposes an obligation to move forward as expeditiously and effectively as possible, individually and through international assistance and co-operation, to the maximum of available resources.
在测试过程中，受试者还被要求向前、或向后、或向左、或向右走4步。
During the tests, participants were told to step four paces to the left, right, backward or forward.
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