Even though manufacturers and retailers can forecast aggregate demand with some certainty, forecasting accurately how that demand will be distributed among the many SKU's they sell is difficult.

尽管制造商和零售商能够有一定把握地预测总需求，但要准确地预测需求将如何在他们销售的众多 SKU 中分配是困难的。

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To this end, the Aggregate Balance and forecast changes to the Aggregate Balance attributable to the currency board's foreign exchange transactions are disclosed on a real time basis.

为此，金管局即时公布总结余数字及因货币发行局的外汇交易而引起总结余变动的预测数字。

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The forecast for steel consumption is tied in with that for an aggregate economic variable.

钢铁消费预测与总的经济变量预测紧密相联。

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