In a recent study, 40% of schools were found to be understaffed.
最近一项研究发现，四成的学校人员
足。
足的,人手够的适当的;
的, 无组织的;称职的;适当的;In a recent study, 40% of schools were found to be understaffed.
最近一项研究发现，四成的学校人员足。
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