这种重资产模式在初期投入巨大，但在价格战进入白热化的阶段，它便构成了难以复制的成本护城河。
Get to know about the improper tones.
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"While Stirling has a proud track record of successfully staging major music events, Radio 2 in the Park will be our biggest one yet."
We have not yet received direct communication from the Department of War or the White House on the status of our negotiations.