1、Best of all, the imprimatur seems to last for years.
最好的在于，這種效應可以持續(xù)好幾年。

2、A directive bearing the imprimatur of high officials
高級官員批準的指示

3、A directive bearing the imprimatur of high officials.
高級官員批準的指示

4、It is astonishing that the EPA would lend its imprimatur on this report.
令人驚訝的是環(huán)保署竟然批準許可這份報告的出籠。

imprimatur翻譯