名词
中文翻译：信号
同义词：
['sign', 'indicator', "indication例句：1. The traffic light is signaling the driver to stop.（交通灯正在指示司机停车。）2. The new policy signals a change in the company's direction.（新政策预示着公司方向的改变。）"]
例句：
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1. The traffic light is signaling the driver to stop.
交通灯正在指示司机停车。
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2. The new policy signals a change in the company's direction.
新政策预示着公司方向的改变。
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3. The sudden drop in stock prices signaled an imminent recession.
股票价格的突然下跌预示着即将到来的经济衰退。