No WHO Member State has completely opted out, and only a very small number made reservations.

没有世卫组织会员国完全退出，只有极少数国家提出保留。

youdao

Britain's position as an opted-out, slow-lane member really is a solitary status.

ECONOMIST: The flow of money

Instead of throwing his soya bean substitute at a member of his family, he opted for the out of the door option.

BBC: Clive Stuart-Smith column

Apparently, Ms. Stiles, under orders to cut her budget by 25% (remember that recession?), opted to take a 40% reduction in her own personal salary rather than lay off a member of her staff, making her a heroine of the state.

FORBES: Suze Orman Says "No More Sacrifice"