先机的英文：
1. preemptive opportunity; advantageous opportunity

参考例句：

The company needs visionaries to see opportunities.
这家公司需要有预见力的人洞悉先机。

Let's anticipate the enemy's move and occupy that city.
我们要制敌先机抢先攻占那个城市。

They have a head start in this because they know what ace inhibitors look like
研究人员在这一点上占有先机，因为他们已经了解ace抑制剂的情况。

preemptive是什么意思：
adj. 先买的，先买权的，有先买权的，先发制人的

The bane of preemptive action is the impossibility of proving it was necessary.
先发制人论者的致命弱点在于无法证明其行动的必要性。

The two companies organized a preemptive alliance against a possible takeover by another firm.
这两个公司组成了先发制人的同盟以防备可能被另一个公司接管。

Shareholders have a pre-emptive right to subscribe capital when a company increases its capital.
公司新增资本时，股东可以优先认缴出资。

opportunity是什么意思：
n. 机会，良机

He eagerly embraced the opportunity.
他迫不及待地利用了这个机会。

This opportunity is too good to waste.
这个机遇千载难逢，绝不能错过。

Health Opportunity for People Everywhere
各地人民均可享受的保健机会

advantageous是什么意思：
adj. 有利的，有益的

to the best advantage
效果最佳地|最出色地

Advantage server!
发球者占先！

Press one's advantage
利用有利形势[优势]进逼