求翻译：1962年建成，是当时最高的商用住宅建筑，也是芝加哥的地标建筑。下午去的John Hancock Center也算是芝加哥的标志性建筑，楼高343.5米，地上有100层，1969年建成，别名叫”big john”。大楼的94层有观景台，95层有餐厅，从观景台也可以看到芝加哥的全貌。是什么意思？

Completed in 1962, is the highest commercial residential building in Chicago landmarks. Afternoon, go to john hancock center can be considered a landmark building in Chicago, height of 343.5 meters and 100 floors on the ground, built in 1969, the other called "big john". Building 94-floor observatio

Built in 1962, it was the highest commercial residential building, is also the Chicago landmarks. The afternoon John Hancock Center may also be regarded as the Chicago landmark, 343.5 meters high building, ground floor 100, built in 1969 and named him "Big John". There is a 94 storey building of th

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Built in 1962, was the tallest commercial building, Chicago landmark building. To the John Hancock Center in the afternoon can be considered a landmark of Chicago, height of 343.5 meters, with 100 floors on the ground, built in 1969, alias called "big John". 94-story observation deck of the building

In 1962 completed, was at that time the highest commercial residential building, also was Chicago's terrestrial reference construction.Goes in the afternoon John Hancock Center also is Chicago's symbolic construction, the building height 343.5 meters, ground has 100, in 1969 completed, the alias cal