大部分开幕式比赛在半满的露天体育场上演，特别是票价降低之后，联赛将不在这里举行。
Most of the opening matches were played in stadiums barely half-full, but the tournament took off, especially after ticket prices were reduced.
我在北美大草原上露天闲逛，大部分是在保护区中和私人牧场。
I roam out in the open on the Great Plains of North America, mostly in protected areas and private ranches.
这种火炉已经被证实能改善大部分山地小屋使用露天明火烹饪导致的严重呼吸状况。
The stoves have been shown to help reduce serious respiratory conditions associated with cooking over the open fires that are contained in the majority of mountain huts.
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