He supervised and trained more than 400 volunteers.
他指导和培训了400多名志愿者。
2.in a sense从某种意义上说
In buying your children all these things, you are in a sense buying them off.
给孩子买下所有这些东西，从某种意义上说你是在收买他们。
3.lay down制定
The Companies Act lays down a set of minimum requirements...
《公司法》规定了一系列最低标准。
