Olive leaf: Olive leaf is a symbol in Greek culture, representing peace, victory and hope. The use of olive leaves in decoration can express the pursuit of peace, victory and hope.

2. Wu Tongye: Wu Tongye is a symbol of China culture, representing nobility, unyielding and loyalty. The use of buttonwood leaves in decoration can show the designer's pursuit of noble quality.

3. Maple Leaf: Maple Leaf is the national flower of Canada and a symbol of the Canadian flag. Maple leaf symbolizes patriotism, freedom and independence. The use of maple leaves in decoration can represent the spirit of respecting freedom and independence.

4. Hibiscus leaf: Hibiscus leaf is a representative element in China traditional culture, which means elegance, nobility and purity. Using hibiscus leaves in decoration can express designers' pursuit of elegance, nobility and purity.

The above answers are for reference only, please don't be blindly superstitious.