What is the optimal percentage for summarising?
为摘要设置的最佳百分比是多少？
The percentage depends on the length of the text to be summarised: for long texts it is advisable to set 30%, for very long texts to set 10%, for short texts 50% of the length of the text entered may be sufficient.
百分比取决于要总结的文本长度：对于长文本，建议设置 30%，对于非常长的文本，设置 10%，对于短文本，插入文本长度的 50% 就足够了。