Consider using a flip chart, overhead projector or a blackboard.

可以考虑利用一个活动挂图，投影仪或者一个黑板。

youdao

Sure. Do you need an overhead projector or anything?

当然。你需要用投影仪吗？

youdao

Sure. Do you need an overhead projector or anything?

当然。你需要用投影仪吗？

youdao