一个很好的杀尾公式简介：He looked at the gel pen in his hand and smiled. Fortunately, gel pens had become very popular across the country in 1998, otherwise he would not be used to using ballpoint pens.
He looked at the gel pen in his hand and smiled. Fortunately, gel pens had become very popular across the country in 1998, otherwise he would not be used to using ballpoint pens.
