[经] costs of training and recruitment

xùn liàn hé zhāo gōng fèi yòng ㄒㄩㄣˋ ㄌㄧㄢˋ ㄏㄜˊ ㄓㄠ ㄍㄨㄥ ㄈㄟˋ ㄩㄥˋ