Circle your answer next to each question.
在每一条问题旁边在你的答案上画上圈。
Circle your answer to a math or science problem.
数学或科学问题要让答案圆满。
Which one is the most efficient element in triggering your buying intention when you see an advertisement? (Please circle one answer only.)
当您看广告时，哪一种元素是最有效触发您的购买意向？(只能选择一个答案)。
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