1、diversity

多样性;多样化;多元性

the cultural diversity of British society.

英国社会文化的多元性

to introduce more choice and diversity into the education system.

在教育体系中引入更多的选择和多样性

不同;差异

His object is to gather as great a diversity of material as possible.

他的目标就是尽可能多地搜集各种材料。

2、perfect

完美的；最佳的

He spoke perfect English.

他英语说得棒极了。

Hiring a nanny has turned out to be the perfect solution.

雇用保姆结果成了解决问题的最佳方法。

绝配的；十分合适的

Carpet tiles are perfect for kitchens because they're easy to take up and wash.

方块地毯非常适用于厨房，因为其便于揭起来清洗。

So this could be the perfect time to buy a home.

所以这可能是买房子的绝佳时机。