希腊人以他们美味的橄榄油和酸奶闻名。

The ___Greeks are famous for their delicious olive oil and yogurt.

希腊语是一种美妙的语言，有着悠久的历史。

___Greek is a beautiful language with a long history.

投资者需要理解期权希腊字母，比如vanna和charm，以评估价格波动风险。

Investors need to understand the ___Greeks, such as vanna and charm, to assess price fluctuation risks.