Once such links are established, a manufacturer, for example, no longer has to guess at a vendor's inventory or future promotional plans, hence forecasts — and sales — improve.

一旦建立了这种联系，制造商就不必猜测供应商的库存或未来的推广计划，从而就改善了预测与销售。

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Matching supply of port facilities with demand will, hence, ensure economic growth and optimize employment opportunities for the community. Growth forecasts are, therefore, important.

若港口设施的供应与需求能互相配合，便可确保本港经济继续增长和提高就业机会，因此预测未来增长实属重要。

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Both the oil cartel Opec and the International Energy Agency (IEA) have raised their forecasts for oil demand next year, but they say economic growth and hence demand for oil is set to remain relatively subdued in the developed world.

BBC: Which way for commodities in 2010?

However, the uncertainty about the valuation of asset prices is arguably no greater than the uncertainty about potential growth rates and hence the size of the output gap, which is at the heart of most central banks' inflation forecasts.

ECONOMIST: Central banks, all a-quiver | The