同样重要的是，这些旅行限制，包括许多航空公司暂停了前往西非的航班，使前往灾区的急需应对团队和设备遭受了困难。
Just as important, travel restrictions, including the many airlines that suspended flights to West Africa, impeded the arrival of desperately needed response teams and equipment.
动物园使人们无需前往野外地区（就能看到动物），从而为野生动物保护做出了贡献。
Zoos save people trips to wilderness areas and thus contribute to wildlife conservation.
这种神奇的蛛丝还可以用来制造线绳，使蜘蛛在前往新区域时能紧紧抓住。
This amazing silk is also used to create lines that spiders hang onto as they travel to new areas.
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