translation.en: What rises twice a year, once in Easter and then two weeks before Christmas, has a mini peak every Monday, and then flattens out over the summer?
translation.zh: 有什么东西每年要升两次？ 一次在复活节 另一次在圣诞前的两周， 每个周一都有一个小峰 并在夏天的时候一直保持平坦．