外援方式的英文：
modality of foreign aid
n. 形式，形态；情态；程序；物理疗法
Modality has three types: epistemic modality, deontic modality and dynamic modality.
情态有三种：推测情态、义务情态、机能情态。
Exactly: and that is the ineluctable modality of the audible
正是这样。这就是可听事物无可避免的形态。
What's is Modal?
莫代尔是什么？
adj. 外国的；不属于本身的；无关的；外交的；陌生的
In the UK, there are the Foreign Office and Foreign Secretary.
在英国，有外交部和外交大臣。
custom of foreign trade.
对外贸易惯例
The guidebook is for the accommodation of foreign tuorists.
这份指南是为了方便外国游客而准备的。
n. 援助；帮助；助手；辅助设备
v. 帮助，援助
This is an Aids charity.
这是一个艾滋病慈善组织。
He carries the AIDs virus (is infected with the AIDs virus)
他携带爱滋病病毒
To machine(an object)with the aid of a jig.
用夹具辅助加工（一物件）