Source: Computational Materials Science, Volume 266
Что думаешь? Оцени!，更多细节参见safew官方版本下载
第十四条 纳税人按照简易计税方法计算缴纳增值税的，因销售折让、中止或者退回而退还给购买方的销售额，应当从当期销售额中扣减。扣减当期销售额后仍有多缴税款的，可以从以后的应纳税额中扣减或者按规定申请退还。，这一点在同城约会中也有详细论述
Much of this is powered by a powerful custom conditional language that we created. Designers use this language throughout the game’s systems to configure when and how different parts of the game should change based on player actions that flow through the backend services. This includes the entirety of the game’s quest progression system, defining what actions the player needs to take to progress through the campaign.