The place was not fenced properly: the role of warning protection was played by the two-meter piece of a striped tape lying on the ground.

这个地方没有很好地进行保护：警告标志仅仅是放在地上的一条2米长的条纹带。

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I came across the construction of the bridge without warning and it captured a piece of my imagination.

我简直是偶然撞见了这座大桥，以前我都不知道。马上，我的一部分想象力就被这座建筑俘获了。

youdao

Third part: The history proposes a piece of warning: Moral should be concerned.

第三部分：历史提出的警示：道德关怀。

youdao

Economists would say the rising prices are like the check engine light coming on on the dashboard, and to lift the gas tax would just put a piece of black tape over the warning light.

NPR: 2 of 3 Presidential Hopefuls Back Gas Tax Holiday

The RNLI is warning treasure hunters to take care after a rare piece of whale vomit was found on Morecambe beach.

BBC: Warning follows whale vomit find on Morecambe beach

Warning: some of it cuts against the thrust of my piece, and other evidence challenges those findings.

FORBES: Why We Need to Meet in Person