“正式的”造句

他们15岁就辍学了，几乎未接受过正式的写作训练。
They had left school at fifteen and were quite untutored in writing.

从某些方面来说，正式的开幕仪式只不过是走个形式。
In some ways, the official opening is a formality.

这两项协议之间不存在正式的关联。
There is no formal linkage between the two agreements.