They made a public announcement that the wages of the workers would be increased.

他们发布了通告，那些工人的工资将会提高。

youdao

Shell discovered the leak last Wednesday but did not make a public announcement until Friday evening.

壳牌上周三发现泄漏但直到周五晚上才发表了一份公告。

youdao

Large companies like Apple are typically working on and testing new products years before a public announcement is made.

这是因为像苹果这么大的公司，在向公众推出一款新产品之前，通常情况下会经过几年的研发和测试。

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He is one of the first to make a public announcement since the challenge.

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For al-Nusra the gains of a public announcement of its alliance with al Qaeda are far from clear.

CNN: Syria rebel group's dangerous tie to al Qaeda

Microsoft has not yet made a public announcement about fixing the flaw, and was cagey with me about it.

FORBES: The FTC Promises an End to History Sniffing (Microsoft, Take Note)