It's pretty clean, and clear of any extra stuff, but it's missing that something extra.

它很干净、整洁，没有任何多余的东西，但是又缺了些什么。

youdao

Since we’re inside with doors and windows closed for most of the winter it’s important to keep the furnace filters clean and clear of dust and other debris.

因为在冬天的大多数时候都会紧闭门窗，所以保持暖气过滤网干净、清洁、没有灰尘和碎石是很重要的。

youdao

Let's say you own a small bathroom. It's pretty clean, and clear of any extra stuff, but it's missing that something extra.

比如说，你拥有一间小浴室。它很干净、整洁，没有任何多余的东西，但是又缺了些什么。

youdao

But be sure to do so with clean, clear content and easy-to-read formatting.

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So, if it's cheap and clean energy we want, we should clear the way for fission energy start-ups.

WSJ: The New Nuclear Revolution

But the president is missing the very clear reason our Asian and European competitors are out-pacing the United States in clean tech: governments in Beijing, Tokyo, Seoul, and across the eurozone are all launching (or redoubling) comprehensive national clean energy strategies backed by big, long-term public investments to support each stage of the clean tech value chain.

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