Part of the problem is that almost two decades after Amazon filed the one-click patent, the online retail shopping and buying experience is filled with frictions.
部分问题在于，在亚马逊申请一键式专利后近二十年，人们对在线零售购物和购买体验提出了不少问题。
2
They also have a pending patent on part of the injection process they are developing.
他们还拥有正在开发尚待批准的注入过程部分专利。
3
This change in our patent laws is part of our agenda for making us competitive over the long term.