/ˈnesəsərəli;ˌnesəˈserəli ||; ˈnɛsəˌsɛrəlɪ; ˌnɛsəˈsɛrəlɪ/adv used to say that sth cannot be avoided or has to happen 必定;必然:
The number of tickets available is necessarily limited. 可出售的门票数量必然是有限的。 not necessarily used to say that sth might be true but is not definitely or always true 不一定;未必