必须遵守本地法律
have to comply with local laws
把必须做的事装成出于好心做的
make a virtue of necessity
必须爱国爱港
must love the motherland and Hong Kong
必须按原尺寸
these must be brought back to spec
必须从开始反复到记号处
si bisogna da capo al segno
必须磋商说
Theory of Dutiful Consultation
必须缔约说
Theory of Dutiful Concluding a Treaty