Google and Apple have made it far too difficult to adjust these settings so it's up to us to take steps to ensure we set these triggers to suit our own needs, not the needs of the app makers.
2017年12月六級真題（第一套）閱讀 Section B
柯林斯高階英漢雙解學習詞典釋義
N-COUNT
(槍的)扳機
The trigger of a gun is a small lever which you pull to fire it.
If something acts as a trigger for another thing such as an illness, event, or situation, the first thing causes the second thing to begin to happen or exist.