126. Some great manufacturers and great service companies may have become too lean in their relentless drive to reduce costs, outsourcing not just their non-core activities but essential ones too.

【结构分析】

本句不难，逗号前为主句Some great manufacturers and great service companies may have become too lean in their relentless drive to reduce costs,使用了too…to…结构，句末的现在分词结构outsourcing not just their non-core activities but essential ones too作伴随状语，进一步补充说明reduce costs的具体内容。

【参考译文】

有些大的制造商和服务供应商热衷于降低成本，不仅把非核心业务外包，而且连核心业务也不放过。