Ever since the trauma caused by the right of abode issue, lawyers have stressed the difficulty of trying to reconcile two legal systems. It is vital that research is conducted to examine problems so that rows of the kind caused by the reinterpretation of the Basic Law might be avoided in future.
The 'one country, two systems' arrangement has no precedent, so it is to be expected that years of academic research are needed before it can be assumed that every possible hurdle has been addressed.