Lucy and Lily are sisters,but they look different./ Lucy and Lily are sisters,but they have different looks./ Lucy and Lily are sisters ,but they don't look the same./ Lucy and Lily are sisters,but they don't have the same look.均为正确表达.
Lucy and Lily are sisters,but they look different./ Lucy and Lily are sisters,but they have different looks./ Lucy and Lily are sisters ,but they don't look the same./ Lucy and Lily are sisters,but they don't have the same look.均为正确表达.