In principle, this permits the importation of workers by employers from different sectors who can demonstrate a genuine need and who can prove that they have made every effort to give priority to local workers.
补充劳工计划原则上容许不同行业的雇主从外地输入劳工，只要他们能够证明确实有此需要，并曾尽力从本地劳工市场聘请工人不果。