Before revision:  Experimental results show that the HiCTL obtains an absolute gain of 1.0\% /2.2\% accuracy on GLUE/XNLI as well as achieves substantial improvements  of +1.7-+3.6 BLEU on both the high-resource and low-resource English-to-X translation tasks over strong baselines . We will release the source codes as soon as possible .
After revision:  Experimental results show that the HiCTL obtains an absolute gain of 1.0\% /2.2\% accuracy on GLUE/XNLI as well as achieves substantial improvements of +1.7-+3.6 BLEU on both the high-resource and low-resource English-to-X translation tasks over strong baselines .