The lower and upper walls match mutually to form a horizontal slit, which preven the light from being reflected by the tape and prevent the misreading of optical detector outside the cassette.

该上、下壁互相配合而形成一水平准直狭缝，以确保光源发出的光不在磁带上方或下方反射而引起位于磁带盒外的光检测器的误读。

youdao

Recruiting a mentor who is a good match for you requires following a plan of action, asking the right questions, and building a relationship that is mutually satisfying.

给自己聘请一位合适的导师需要遵循行动计划、询问正确的问题，并建立双方都满意的关系。

youdao

"It is a debate that is often conducted as a shouting match between two mutually uncomprehending camps, each unable or unwilling to accept that there may be any validity at all in the other's point of view, " he said.

BBC: NEWS | UK | Education | Tory plan to 'restore' exams

For example, the usage of virtual currencies, online bartering marketplaces, and time banking brokers that match skills to needs and allow prices to be set mutually and in non-monetary units.

FORBES: Is Your Job Robot-Proof?