The most obvious limitation is weather conditions such as clouds, wind, and rain.

最明显的限制是天气条件，如云、风和雨。

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Sky full of clouds, such as the heavy rain outside Note.

天空布满了阴霾，外面大雨如注。

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Sky full of clouds, such as the heavy rain outside Note.

天空布满了阴霾，外面大雨如注。

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