M: The current rate is 50 dollars per night.
M：目前的房价是每晚50美元。
If you phone New York after 6 p. m. the call is at a cheaper rate.
如果下午6点后你给纽约打电话收费较低。
At 5 p. m. that day, they were called together again and asked to rate their happiness.
当天下午5时，他们被召集在一起，再次衡量自己的幸福值。
At 5 p. m. that day, they were called together again and asked to rate their happiness.
当天下午5时，他们被召集在一起，再次衡量自己的幸福值。
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