HSK V5
Correct

为主

/ wéizhǔ /
Strokes

Definition

to rely mainly on/to attach most importance to

Example

As a Verb

give first place to; give priority to

1
bìng
疾病
yīnggāi
应该
fáng
预防
wéizhǔ
为主
  

Emphasis should be put on the prevention of diseases.

2
gēngshēng
自力更生
wéizhǔ
为主
  
,
wàiyuán
外援
wéi
为辅

rely mainly on one's own efforts with external assistance being only subsidiary