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lay on安装(水、电、煤气等); 提供(饭食等)
例句：They all moved into apartments with water and electricity laid on.
他们都搬进了装有水电的套间。
They lay on all essential services.
他们提供一切必要的服务。
2.which was build over in Port Fourchon, Louisiana, not far from where we happen to be at this time.
happen to碰巧
例句：It happened to be a fine one that day.
那天碰巧天气好。
3.In terms of where exactly the oil happens to be, our friend and colleague, Rob Marciano, flew out yesterday.
in terms of就…而言, 从…方面说来
例句：He referred to your work in terms of high praise.
他对你的工作大加赞扬。
