他用了八年时间才完成了这本小说的一部分，因为他不得不一再搁笔，去赚钱支付赛尔达住在疗养院和接受精神病医生治疗的费用。
He took eight years to finish the novel partly because he had to keep stopping to earn money to pay for sanitariums and psychiatrists treating Zelda.
首先根据胚胎发育速度及形态评级，再根据受精卵原核等级的联合评级选择移植胚胎。
Embryos for transfer were selected initially by embryo growth rate and morphology, secondarily by zygote grade.
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