supple
adj
(-r, -st) bent or bending easily; not stiff; flexible 易弯曲的; 柔软的; 灵活的
the supple limbs of a child 儿童的柔软四肢
Exercise keeps you supple. 经常锻炼可使身体灵活.
She has a supple mind, ie is quick to respond to ideas. 她头脑灵活.
I think it would be a good idea to have comments from secretaries and typists who are already using it. Then they can express their satisfaction with the product.