However, their designs and characteristics were imperfect due to the lack of a clear vision of what they should be.
However, their designs and characteristics were imperfect due to the lack of a clear vision of what they should be.
user
Проте їх конструкції та характеристики були недосконалі через відсутність чіткого уявлення про те, що вони повинні бути.
assistant