One remark for this style, pls improve RIB neck, our SPL neck rib is too loose, we need more elasticity.

此款办的领贴罗纹要改善，我们手中的办的领贴太松，我们要更有弹性些﹔。

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PLS inherits the merits of both topology driven and flow driven label distribution scheme. It can greatly improve the performance of router when label space is constrained.

协议融合了拓扑驱动和流驱动两种标记分配方式的优点，在标记空间有限时，能很大程度提高路由器的转发性能。

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PLS have the character of gradually improving and fast growing. it can further reduce the cost of logistics and improve the competitive ability of production.

第三方物流服务具有渐进性和高成长率的特征，可以进一步降低物流成本，提高产品的竞争力。

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