It is often more difficult to find trained men than ___for s

It is often more difficult to find trained men than ___for s Is it more difficult to learn Chinese than learning Janpanes It is difficult to find It's often difficult to find to express what you want to say It’s often difficult to find _______ to express what you wan it wouldn't be difficult for a more careful person to find s it is difficult to find a (工作) It's obviously more difficult to swim __ the stream than __ Color-blined people often find it difficult to _____blue fro It is difficult to hold the students' for more than an hour. It is more difficult to solve a problem than that of finding men prize the thing ungain'd more than it is