In the real world, the random noise is often more subtle and various-a hundred little things rather than one big thing.

在现实世界中，随机噪声往往是更加微妙和多变的，它有可能体现为一百个微小事件而不一个大事件。

youdao

The iPads on sale at the Han City Fashion and Accessories Plaza, one of Shanghai's biggest shanzhai markets, sure look real. Upon closer inspection, however, one notices subtle differences.

在上海最大的山寨产品市场汉城广场中售卖的iPad看起来和真的没两样，不过如果仔细观察，还是能辨别出几点微妙的不同。

youdao

The system monitors subtle changes in seven streams of real-time data, such as respiration, heart rate and blood pressure.

系统监测七组实时数据流的细微变化，比如呼吸、心率和血压。

youdao

"The more real he is and the more subtle he is then the more terrifying he is,"

VOA: standard.2010.01.08

Congress had to make a distinction between these and corporations and it's kind of a subtle distinction because there are lots of corporations that own real estate.

国会必须把它和公司区分开来,这种差别很微妙,因为很多公司也持有房地产

耶鲁公开课 - 金融市场课程节选

The problem that any ardent Blairite must confront is that there are no ideological grounds for taking on Mr Brown: the policy differences that divide him from Mr Blair, although real, are too nuanced and subtle to provide any.

ECONOMIST: Bagehot

It is such whiffs of Welsh triumphalism that English-only speakers object to the not-very-subtle implication that the only real Welsh are those who speak the language.

ECONOMIST: The Welsh language

This may be a subtle distinction, but it is a real one.

CNN: NFL takes good first step to protect players