名词
中文翻译：Unknown
同义词：
['sign', 'indication', 'signal', 'indication', 'signpost']
例句：
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1.The doctor gave me a clear indication ofthe problem.
医生给我明确指出了问题。
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2.The new policy has given us an importantindication of what to expect.
新的政策给我们提供了重要的预期指示。
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3. The traffic light indicateswhen it's safe to cross thestreet.
交通灯指示何时可以安全过马路。