선택(選擇)하다, 채택(採擇)하다.
To make a choice from a range of possibilities; to select (often followed by 'for' or 'to').
예문:
"The committee ultimately opted for the proposal that promised the quickest return on investment."
"If you are unhappy with the current plan, you may opt to switch to a different provider."
"We had to opt between the two competing software packages based on their long-term maintenance costs."
참가(參加)하다, 가입(加入)하다.
To choose to participate in a scheme, program, or activity (usually followed by 'in').
예문:
"Customers must actively opt in to receive promotional emails and newsletters."
"If you wish to contribute to the company's charity fund, you need to opt in during enrollment."
탈퇴(脫退)하다, 기권(棄權)하다, 물러나다.
To choose not to participate in something, or to withdraw from an agreement or scheme (usually followed by 'out' or 'out of').
예문:
"Parents can opt out of the school's voluntary insurance program by signing a waiver."
"Several member states threatened to opt out of the new trade agreement if certain conditions were not met."