1·If the visitors have so chosen, you're not encouraging them actively, proactively or otherwise, you're just letting them.
如果游客已经选择了，是不积极鼓励他们，主动地鼓励他们，还是相反，随便他们选。
2·The world's most famous collection of wickless candles announced: "We proactively encourage our visitors to interact with the waxworks should they so choose.
这个世界著名的空心蜡制品收藏馆宣布：“我们主动地鼓励游客与他们应该选择的蜡像互动。”
3·You can often limit aggravation (and harassment via multiple channels) by proactively informing colleagues about the best way to reach you, whether it's via phone calls, texts, emails, or even tweets.
你能够通过主动地告诉同事联系你的最佳方式，来减少伤脑筋的情况(以及多种渠道所导致的烦扰)，无论这一方式是电话、信息、电子邮件还是推特。