Whether it has other complications or not needs to be studied further.

是否有其他并发症有待于进一步观察。

youdao

The mechanism of its inducing protective immunity needs to be studied further.

其诱导保护性免疫的机制尚待进一步研究。

youdao

The mechanism of action for tetrandrine is obscure at present and needs to be studied further.

粉防己碱的作用机理目前尚不清楚，有待进一步探讨。

youdao

Participants making a full smile performed better than the polite-smile group, but the difference wasn't statistically significant and needs to be studied further, she says.

WSJ: Stress-Busting Smiles