a world of

• It will save me a world of trouble and economy
  省了我多少麻烦，省了我多少钱。
• Creating a world of possibilities from a single seed
  无尽的可能性源自一粒种子。
• A little discipline would do him a world of good
  稍微处分他一下会对他大有好处。
• Were living in a world of tremendous possibilities
  我们活在充满可能的世界里。
• In a world of abandoned items and discarded materials ,
  在废弃的物品和遗弃的材料中
• There remains a world of observations to be processed
  仍有大量观测资料需待处理。
• Young people often live in a world of fantasy ,
  年青人常生活在幻想的世界里,
• You are creating a world of beautiful tomorrow
  你真在创造一个美好的明天。
• You are creating a world of beautiful tomorrow
  你正在创造一个美好的明天！