Right now EC2 is invite-only, because it is "capacity-constrained".(現在EC2只是一種邀請，因為他的“容量受到限制”。)

But even its ability to tackle slumps is constrained.(但是即使是其應對經濟滑坡的能力也是受到限制的。)

The use of bicycles was constrained by their high cost and the lack of available spare parts.(自行車因為價格高，而且缺乏可用的零件，其使用受到限制。)

A high dependency on unavailable or constrained systems.(高度依賴不可用或者受限系統。)

The elastic heart of youth cannot be compressed into one constrained shape long at a time.(年輕人的天性輕松愉快，不可能長久地被抑制。)

At the same time the supply of credit is clearly constrained.(與此同時，信貸的供給顯然也受到了限制。)

This is a demanding program, and our budget is highly constrained.(這是一個要求很高的計劃，而我們的預算又非常有限。)

They're not as constrained. They can wander around.(奧巴馬解釋說：“她們沒有受到多少約束，可以到處走動。)

Public spending will also become constrained.(公共開支也將受到限制。)

They're still constrained by funders, launch providers and a series of regulations-all of which rein in what CubeSat developers can and cannot do.(它們仍然受到資助者、發行供應商和一系列規則的限制——所有這些都約束了CubeSat開發人員所能做和不能做的事情。)