????導火索

????上周，美國聯邦貿易委員會（Federal Trade Commission，FTC）結束了對谷歌（Google）搜索業務的調查。到目前為止，谷歌所面臨的最嚴重的反壟斷調查宣告結束。不過，這并不是谷歌第一次遭受美國監管部門的反壟斷調查，也肯定不會是最后一次。歐洲和其他地區的反壟斷調查仍然對谷歌的搜索業務窮追不舍。在過去四年中，谷歌與FTC或美國司法部（Department of Justice）已就競爭問題至少進行過九次交鋒。其中有五分之四的情況，美國司法部破壞了谷歌的交易，或者采取了強制措施。而FTC在大多數調查中都做出了支持谷歌的決定。下面就來看看谷歌遭遇的幾場硬仗。

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????（說明：標注日期是指調查結束的時間或與調查相關的活動開始的時間。）

????Casus belli

????Last week, the Federal Trade Commission closed its investigation of Google's search business. That ends the most significant antitrust probe the company has faced so far. But it's not the first time Google has come under the scrutiny of antitrust regulators in the United States, nor is it likely to be the last. Google, whose search business is still the subject of antitrust inquiries in Europe and elsewhere, has tangled with the FTC or the Department of Justice over competition matters at least nine times in the last four years. In four out of five cases, the DOJ derailed a deal or brought an enforcement action. The FTC cleared Google in a majority of its investigations. Here's a look at some of the company's biggest hurdles.

????(NB: Dates indicate when the investigation closed or action related to the investigation took place.)