id	keyword
spir-11115	smartphone
spir-11115	theory
spir-11115	people
spir-11115	money
spir-11115	use
spir-11115	home
spir-11115	digital
spir-11115	university
spir-11115	care
spir-11115	japan
spir-11115	life
spir-11115	paper