For example, when world headquarters was being built at Warwick, New York, some 27,000 brothers and sisters offered their services ​ — anywhere from two weeks to a year or longer.
وَعَدِيدُونَ مِنْهُمْ بَذَلُوا تَضْحِيَاتٍ كَبِيرَةً لِيَخْدُمُوا هُنَاكَ .‏