zhè bǐ / zhuān kuǎn / zhǐ néng / yòng yú / gòu mǎi / jiào xué / shè bèi / bù néng / nuó zuò / tā yòng

这笔专款只能用于购买教学设备，不能挪作他用。

This earmarked funding may only be used to purchase teaching equipment and cannot be diverted to other purposes.