You hold on to them so there won't be a problem later.
你来保管, 免得等一下又出问题了。
Get me a hammer from the kitchen,will you?
从厨房拿给我一个榔头好吗?
The administrative overheads of a business are low to the extent that everyone working in the business can be trusted to behave in a way that best promotes the interests of the firm.