The third major building block of the congruence model for key account management is human resources.

关键客户管理一致性模型的第三大板块是人力资源。

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Glucosamine is a major building block of the substances that together with protein form the structural units in cartilage.

氨基葡萄糖是主要组成部分的物质，连同蛋白的形式在软骨的结构单位。

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Settlement building has been the major stumbling block in the peace process, with Palestinians long insisting it must stop completely before stalled talks can restart.

BBC: Obama urges return to Israel-Palestinian peace talks

The building of Israeli settlements on Palestinian land has been the major stumbling block in the peace process, with Palestinians long insisting it must stop completely before stalled talks can restart.

BBC: Obama urges Palestinians to drop settlement precondition