在繁华闹市区主干道上采用盖挖顺作法施工，本站是国内首次。
However, the construction of this station by cover-excavation method is the first of its kind in a busy city arterial road.
北京地铁西单车站是我国首次在繁华闹市区主干道下修建的大跨度地铁工程。
Xidan Station of Beijing subway is a large-span subway project first built under the main trunk road in downtown area in China.
游客迫不及待地走出山城多伦多和远离安全围栏的20国集团已经成为一个“武装营地”和一公里的繁华闹市区。
Tourists can't wait to get out of Fortress Toronto and away from the kilometres of G20 security fencing that have turned a bustling downtown into an "armed camp".
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