Many families thinking of immigrating send a college-age son or daughter ahead first to do some preliminary scouting, whether to minimize risks or because of a temporary delay in their plans.
不少打算移民澳洲的家庭，或想降低風險，或有其他因素暫時未能成行，就「派」家中成年的孩子做「開路先鋒」，既是去念書，又兼帶「探路」。