<prompt> Translate the following text to EnglishKama ilivyoelezwa hapo juu, wafanyakazi wengi wa mashamba ya kigeni wanaweza kuwa na msingi wa nyumbani nchini Mexico kama wageni wa kusafiri au kama wafanyakazi maalum wa kilimo ambao husafiri kupitia mkondo wa wahamiaji kote Marekani na kurudi Mexico wakati wa ukosefu wa ajira.  <response>: As described above, many alien farmworkers may have a home base in Mexico as commuter aliens or as special agricultural workers who travel through the migrant stream around the United States and return to Mexico during periods of unemployment. 