1.expose to 暴露于；公开揭露

Expose to a chance of loss or damage.
使有可能遭受损失或损害。

This signifies that the film rated may contain some material parents might not like to expose to their young children-material that will clearly need to be examined or inquired about before children are allowed to attend the film.
这意味着此级别的电影可能含有某些家长不想让儿童看到的内容在让孩子观看前明显需要检查和了解的内容。

2.between and 在两者之间

But arrangements were complicated by disagreements between and within the groups.
但是，因为这两个组织内部和彼此之间的分歧，安排工作将会十分复杂。

The integration of information and communications technology (ict) in business has revolutionized relationships within organizations and those between and among organizations and individuals.
商业中的信息与通讯技术的整合改变了组织间以及组织与个人之间的关系。

3.fit in 适应

Don't be afraid to let someone go if he doesn't fit in.
如果有人无法融入公司，不必犹豫，还是让他卷铺盖走人吧。

Fortunately, vetnet was there once again to back me up and help me learn to fit in again.
幸运的是，谷歌退伍军人协会再次给予我支持，帮我学着适应公司的生活。

4.sell for 卖

A non-touch kindle will sell for 79.
非触屏版kindle售价79美元。

The device will reportedly sell for around 800.
据报道该产品预计售价大约八百美元左右。