Faced with the ever-changing environment, many of the analytical tools, as well as techniques and frameworks of value creation, have become obsolete.

面对不断变化的环境，许多价值创造的分析工具、方法及框架已变得过时。

youdao

However, fettered by tradition and obsolete manufacturing techniques, the production of ethnic commodities in Yunnan suffers from multiple problems of quality, cost and market competition.

囿于传统观念和落后的生产方式，目前云南民族商品存在品质不高、成本不低、市场竞争乏力等问题。

youdao

His team had to revive forgotten construction techniques and find obsolete materials.

ECONOMIST: More bits restored with American help