translation correct
Merge pull request #1 from longlene/master

Make translation more fluent
Updated content

Signed-off-by: mrahmiao <mrahmiao@gmail.com>
Merge https://github.com/raywenderlich/swift-style-guide
Add and translate 'Syntactic sugar' section

Signed-off-by: mrahmiao <mrahmiao@gmail.com>
Merge pull request #49 from mrahmiao/master

Updated the content of Chinese edition