北极游的优势在于获利丰厚，需求量大同时较为安全——在巴芬湾很难看到海盗的踪迹。
Arctic voyages arelucrative, in demand, and relatively safe (pirates are few and far between in Baffin Bay).
她表示，试验表明，墨西哥湾的鱼虾已经可以安全食用。
She says tests show that fish and shrimp from the Gulf are safe to eat.
自1942年起，盟军空军就已控制了跨越阿拉伯半岛的航线以及用于运送来自波斯湾的重要战时补给的安全通道。
Starting in 1942, Allied air forces gained access to air routes across the Arabian Peninsula as well as safe passage for significant wartime resupplies that flowed up the Persian Gulf.
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