Step

The search term result

Result

1

TS = romantic attachment

2566

2

TS = romantic relationship OR TS = close relationship OR TS = intimate relationship OR TS = love OR TS = marriage OR TS = couple OR TS = partner

1,727,994

3

TS = attachment

171,883

4

3 AND 2

14,795

5

4 OR 1

14,921

6

4 OR 1精炼依据：文献类型：(ARTICLE OR REVIEW OR PROCEEDINGS PAPER)

14,602