It's still not clear to what extent this criticism is originating from within the ruling party.目前仍不清楚这种批评有多少是来自执政党内部。

The extent to which it helped to promote Britain's broader strategic interests was sometimes questionable.这究竟在何种程度上有益于英国获得更广泛的战略利益, 有时仍旧令人生疑。