staple(Conference calls are a staple at any workplace, especially those where workers are scattered all across different locations. • Since the 1990s, disguised cell phone towers have become a staple of America's urban environment. • Rice is a staple in the diet of many cultures.VLZ_58)
indispensable part(Disseminating accurate information is an indispensable part of mitigating their fear and of helping them to make progress towards sustainable development. RealMadrid)
inseparable part(The right to development has been universally recognized in the international community as an inseparable part of basic human rights. RealMadrid)
