some problems still exist 还存在一些问题
there are still some problems 但仍存在一些问题
still exist some problems 存在一些问题
still exists some problems 存在一定不足
Besides, some problems still need to be solved.
但也存在一些亟待解决的问题。
However, some problems still exist such as the poor imported technological level, value - adding ratio and spreading effect.
然而尚存在引进技术水平不高、增值率低和波及效应差等问题。
However, in the process of construction, some problems still exist, these problems affect the quality of hydraulic construction.
然而,在施工过程中,依旧存在一些理由,这些理由的存在影响施工质量。
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