It's because the commodities basket fails to reflect consumers' consumption composition; weight is too much emphasis.

是因为商品篮未能反映居民的消费结构，权重又过于偏重。

youdao

Inflation initially hit food prices, but will spread through the rest of the economy, as it comprises 23% of the consumption basket.

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But holding a portion of one's wealth in a basket of foreign currencies is advisable, he says, as a portion of one's consumption over time comes from foreign goods produced both in developed and emerging markets.

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