The experiments were done on pigs , goats , chickens and cattle , all of which demonstrated these behavior patterns , suggesting that such animals may be so emotionally akin to humans that welfare laws need to be revised . in support of this view , professor webster states , " sentient animals have the capacity to experience pleasure and are motivated to seek it 这些研究是以猪羊鸡牛等家畜做为研究对象，结果显示出这些动物都具有类似的行为模式，研究专家指出：动物的情感很可能与人类极为类似，因此，世界各国有必要重新考虑修定动物福利法。
The executive committee shall determine , from time to time as it deems necessary , all subscription and initiation fees and life membership fee multiples , due dates , and late payment penalties at its sole discretion ; provided , however , that any changes in such fees must be announced at no less than two successive regular meetings before becoming effective 执行委员会应在有需要时修定所有会费、入会费及永久会员费之乘倍数、缴费日期及迟交罚款，然而此等收费的修改必须在生效期前的两次例会期前通告。
Hence , there is no question of deferment . since environmental projects cover a wide range of areas , including flood prevention , sewerage and waste management , the government has to evaluate and assess priorities annually . having regard to the prevailing financial position and each project s impact on hong kong s development and economy , such works projects and their implementation time tables have to be reviewed regularly and adjusted according to community need 事实上，由于环境工程项目繁多，包括排洪、渠务、废物管理等，政府必须每年就当时财政状况及所有项目的优先次序作出衡量和评估，并且视乎该些项目是否对本港整体的发展和经济效益带来益处，因应不同的情况及整体社会的需要而不时检讨工务工程并相应修定有关施工时间表。
