Early in their working relationship, Stephanie began to see that Michelle was not a clear communicator, could not articulate priorities, and struggled to make decisions.

共事初期，斯蒂芬妮发现米歇尔无法明确表达优先事项，且难以作决策。

youdao

Still, Sonderegger continued calling his birth mother "Jarrett" and made it clear that their relationship was a friendship and not necessarily parent-and-child.

CNN: Missing pieces: The drive to find birth parents

He told the BBC News website the relationship between hCG and production of the muscle relaxant was still not completely clear, and the causes of prematurity were complex.

BBC: NEWS | Health | Drug may help avoid prematurity