"Before that, in much of Europe, you could love as many people as you like, and love was fluid, and it was often not about sex."
They sit on disk as plaintext, readable by any process running as your user
，详情可参考夫子
// 栈不为空时才判断（避免访问stack.at(-1)时报错）。WPS官方版本下载是该领域的重要参考
Andrew's setup lets him fine-tune the angles of his mouse and keyboard