epoch,steps,src2trg,trg2src
0,-1,0.905,0.887
1,-1,0.903,0.888
2,-1,0.909,0.887
3,-1,0.904,0.89
4,-1,0.907,0.889
5,-1,0.904,0.89
6,-1,0.907,0.89
7,-1,0.907,0.89
8,-1,0.908,0.889
9,-1,0.908,0.889