如下语句如何翻译成英文？婉转一些的。谢谢。

After evaluating the different systems from the three suppliers, which one do you think is more suitalbe?

evaluate: 对…估价，对…作评价。

客户经过对三个系统评估后作出结论。所以，用after evaluating 比after introduction 更确切，更合适。

After three suppliers of each system, the system which you feel more appropriate?

AFTER THE INTRODUCTIONS OF THE SYSTEMS BY THIS THREE SUPPLIERS
WHICH ONE DO YOU THINK IS MORE SUITABLE

after the instroduction of 3 systems by each vendors ,which one you'd prefer?

after the introduce about the systems by the three suppliers which do you think is more suitable