1. 必要地
2. 必然地
3. 必需地
4. 不可避免地
5. 必须地
6. 必定地

1. 必要地,必需地 in a way that must be so
2. 必定地,必然地 unavoidably; as an inevitable result

1. in an essential manner;

   "such expenses are necessarily incurred"
   

2. in such a manner as could not be otherwise;

   "it is necessarily so"
   "we must needs by objective"
   

3. as a highly likely consequence;

   "we are necessarily bound for federalism in Europe"
   

1.一定地;必要地
If you say that something isnot necessarily the case, you mean that it may not be the case or is not always the case.

e.g. Anger is notnecessarily the most useful or acceptable reaction to such events...
对于这种事，发火不见得是最有用或最能被接受的反应。
e.g. Speed and safety are notnecessarily incompatible...
速度和安全未必不相容。

2.不可避免地;必然地
If you say that somethingnecessarily happens or is the case, you mean that it has to happen or be the case and cannot be any different.

necessarily

e.g. The most desirable propertiesnecessarily command astonishingly high prices...
最值得拥有的财产必然要价不菲。
e.g. Tourism is an industry that has anecessarily close connection with governments.
旅游业是与政府有着必然的密切联系的产业。

1. 必要地：with unnecessary care 怀着不必要的顾虑 |necessarily 必要地 | You shouldnecessarily go to the party. 你一定要参加这个舞会.

2. 必定,当然：neat 整洁的,精致的 |necessarily 必定,当然 | necessary 必须的,必需品

3. 必然：nebula 星□ |necessarily 必然 | necessary 必要的

4.

4. 必然,必定：nearly 差不多;密切地 | neat 整洁的;简洁的;整齐的 |necessarily 必然,必定