This is the "strict" interpretation because, since dual nationals should not be hired as civil servants, the broader the definition of "civil service," the more limitations there are on hiring foreign nationals. But this strict interpretation cannot always meet practical needs when it comes to hiring.
但是這樣嚴格的規定，卻在用人時發現不能符合實際需要﹘﹘過去台灣留學生多，人才外流嚴重。