The German government has recently decided to grab those it considers excessive, while leaving the price signal alone.

德国政府最近决定抓住那些它认为的超额利润，而不去理会价格信号。

When this kind is released, it changes the molecular makeup of the atmosphere, and leaves a clear signal to future scientists.

这种物质被释放时，它会改变组成大气的分子，并给未来的科学家留下了清楚的信号。

The glands on their face, tail and body, help them to claim you with their scent, while also leaving nearby cats signals about their identity, sexual availability and territory.

它们脸上、尾巴和身体上的腺体，帮助它们用气味来宣示拥有你，同时也留下让附近的猫知道关于它们的身份、可进行交配性和领地的信号。