Plenty of commuter routes into big cities are standing-room only.
很多去往大城市的通勤线路上人满得只有站的地方。
2
"a standing-room-only crowd waited expectantly as a slide flashed up posing this question: Does barefoot running increase or decrease skeletal injury risk?"
在一间只够站着的房间里，人们正在期待解决幻灯片上滑动的问题：赤脚跑步是增加还是减少了骨骼伤害风险？
3
The place quickly fills up so it's soon standingroom only.