开始存在的

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

她自称是失踪的女继承人这件事从一开始就存在很多疑点。

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

不存在他三连符。每个不是上某个三连符开始的?将保持不变。