开始存在的

1.From the start, doubts surrounded her claim to be the missing heiress.

她自称是失踪女继承人这件事从一开始就存在很多疑点。

2.No other trigraph sequence exists. Each ? that does not begin one of the trigraphs listed above is not changed.

不存在连符。每个不是上某个连符开始?持不变。