不足之處 angolul

deficiency [deficiencies]▼(inadequacy or incompleteness)
noun
[UK: dɪ.ˈfɪʃn.si] [US: də.ˈfɪ.ʃən.si]

shortcoming [shortcomings]▼(deficiency)
noun
[UK: ˈʃɔːtk.ʌm.ɪŋ] [US: ˈʃɔːrtˌk.əm.ɪŋ]