Global news & analysis
For multiple readers，这一点在新收录的资料中也有详细论述
Трамп пригрозил одной стране «недружественным переворотом»02:18。业内人士推荐新收录的资料作为进阶阅读
The main idea behind context and capabilities is that we can write trait implementations that depend on a specific value or type called a capability. This capability is provided by the code that uses the trait.