Tracy meets Nick in the third installment of the trilogy, and he helps her save an original draft of The New Colossus in exchange for her helping him run his restaurant. Tracy begins to feel uneasy as they get closer.倒不是不可以(🏹)继续兑换伐木(🏨)场跟畜(chù )牧场之类(lèi )已有的(de )建筑(🐋)(zhù )，目前除了部落中(zhō(🆕)ng )心跟研究(jiū )中心，其他建筑物没有兑换数量的(🐝)限制，只要你有积分，你可以兑换十个(gè )、一百个、一千(qiān )个。