beneficial

beneficial, advantageous, profitable

形容词 beneficial:

1. promoting or enhancing well-being
   同义词：good
2. tending to promote physical well-being; beneficial to health
   同义词：good, salutary

1. Calcium is beneficial to our bones.
   钙对我们的骨骼有益。
2. Affording advantage; beneficial.
   有利的提供优势的; 有益的
3. Capable of bringing about a beneficial result or effect.
   有益的可以带来有利的结果或影响的
4. Fresh air is beneficial to our health.
   新鲜空气有益于健康。
5. It's a beneficial result to us.
   对我们来说那是有利的结果。

ben.e.fi.cial

adj.（形容词）
Producing or promoting a favorable result; advantageous.
有利的：产生或促进有利的结果的；有利的
Law Receiving or having the right to receive proceeds or other advantages.
【法律】 可享受利益的：得到或拥有收益权或其他有利条件的

来源：
Middle English
中古英语
from Old French beneficial
源自 古法语 beneficial
from Late Latin benefici3lis
源自 后期拉丁语 benefici3lis
from Latin beneficium [benefit] * see benefice
源自 拉丁语 beneficium [利益，好处] *参见 benefice

【引伸】
ben.efi.cially
adv.（副词）
ben.efi.cialness
n.（名词）
<参考词汇><同义词>beneficial,profitable,advantageousThese adjectives apply to what promotes benefit or gain.
这些形容词适用于促进利益或收益的事物。
Beneficial is said of what enhances well-being:
Beneficial 意为增进健康：
例句：
a temperate climate beneficial to the health;
有利于健康的温和气候；

例句：
an arms limitation agreement beneficial to all countries.
对所有国家都有利的武器限制协议。

Profitable refers to what yields material gain or useful compensation:
Profitable 意指获得物质收益或有用的补偿：
例句：
profitable speculation on the stock market;
在股票市场上的有利可图的投机；

例句：
a profitable meeting to resolve difficulties. Something
有利于解决困难的会议。

advantageous affords improvement in relative position or in chances of success:
advantageous 指在相对的位置上或成功的机会方面给予改善：
例句：
signed a contract that is advantageous to our company;
签订一项对我们公司有利的合同；

例句：
found it socially advantageous to entertain often and well.
发现经常令人满意地款待他人可在社会上收到很有利的效果