Definition: better than before Level: B2
上周发布了一个新的和改进的软件版本。
A new and ___improved version of this software was released last week.
该产品提供了改进的安全功能以提供更好的保护。
The product offers ___improved safety features for better protection.
改善的经济状况为家庭增加了机会。
The ___improved economic situation has increased opportunities for families.
