资料

means of livelihood/subsistence

The data is not enough to be convincing.

raw/original data

research material

material for study

pertinent data/materials

available data/materials

documents; literature

statistical data

fragmentary data

technical data/materials

personal data

data; findings

secondhand material; material at second hand

reference material

background material

classify data

arrange materials in chronological/time order

sort out data/material

cite data

contribute/furnish data

gather/collect materials; gather/collect data

lack data/materials

amass/accumulate data; amass/accumulate materials

obtain/secure data; obtain material

bring together materials

analyse data

process data

refer to/consult data