Since 1978, the amount of money available to buy books has fallen by 17%.

自1978年以来，可供买书的钱已减少了17%。

《柯林斯英汉双解大词典》

China has made great achievements in science and technology since 1978.

自1978年以来，中国在科学技术方面取得了巨大成就。

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Since 1978, China has planted over 66 billion trees in the north.

自1978年以来，中国在北方种植了660多亿棵树。

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Since 1978, the CPI has been the go-to index to measure inflation or deflation.

WSJ: Refiguring Inflation With 'Chained CPI' Will Hit Retirees' Income

Corporate tax revenues have declined from 15% of total revenue to 10.7% since 1978.

FORBES: California: The Pickpocket State

Since 1978 it had barred the Internal Revenue Service from issuing regulations covering "nonqualified" deferred comp.

FORBES: Strings Attached