Before revision:  Moreover, using coarse-grained modeling units, such as subword and character, achieves better results than the letter.abstract 
After revision:  Moreover, using coarse-grained modeling units, such as subword and character, achieves better results than the letter.abstract \% relative improvements in six languages compared with previous work. Among these languages, English achieves a gain of 52.4\%. Moreover, using coarse-grained modeling units, such as subword or character, achieves better results than fine-grained modeling units, such as phone or letter.