且つは

かつは【且つは】

for one thing 《…for another thing》; on the one hand 《…on the other hand》; at the same time.

●都市の公園は, 人々の住環境を守るため, かつは, 災害時の防火帯や避難場所として設計されている. Urban parks are designed to protect people's living environment and at the same time to serve as firebreaks and places of refuge in times of disaster.

・広場に集う人々は, かつは歌い, かつは踊り, その青空のように陽気だった. Some of those who gathered in the square sang, some danced, and all were as bright and cheerful as the blue sky overhead.