1·As yet, they have no solid evidence.
他们至今没有任何可靠的证据。
—— 《牛津词典》
2·As yet no data is available on the number of deaths linked to the current outbreak, but generally in complex emergencies the case fatality rate can surpass 30%.
至今尚无当前霍乱疫情导致死亡人数的数据，但通常在出现复杂突发事件的情况下，病死率可能会超过30%。
3·Or there may be an as yet unknown cause of some cardiovascular pathology.
也可能有某种至今未知的原因导致心血管疾病。
4·Networking features are not properly tuned as yet (especially network transparency).
联网功能部件至今没有经过适当地调整(特别是网络透明性)。
5·Our group as yet does not have solid information as to how these classified devices work.
我们的小组至今没有关于这些机密设备如何工作的可靠的信息。