For the most part, the alternatives offer similar functionality to PowerPoint, sometimes more, sometimes less.
总的来说，替代方案所提供的功能都或多或少与PowerPoint相似。
What's more, sometimes we need to say English to communicate with others.
有时候我们还需要用英语与他人沟通。
The annual spring season, the rain fell, the relative humidity in the air more, sometimes up to 100%.
每年初春时节，细雨连绵，空气相对湿度较大，有时可达到100%。
The annual spring season, the rain fell, the relative humidity in the air more, sometimes up to 100%.
每年初春时节，细雨连绵，空气相对湿度较大，有时可达到100%。
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